Small commit:

Housing:
Stairs should be sectionable
http://www.uodemise.com/forum/showthread.php?t=120218

Mobiles:
Dull Copper Elementals should drop chests
http://www.uodemise.com/forum/showthread.php?t=145394

Misc:
Snowpiles should not be usable when mounted
http://www.uodemise.com/forum/showthread.php?t=145522

Explosion potion timer should not be stopped by picking them up/scavenging
http://www.uodemise.com/forum/showthread.php?t=143523

1 day cool-down timer on soulstones is removed
http://www.uodemise.com/forum/showthread.php?t=138760

Scripts/Items/Skill Items/Magical/Potions/Explosion Potions/BaseExplosionPotion.cs

@@ -71,6 +71,7 @@ namespace Server.Items
 			}
 
 			ThrowTarget targ = from.Target as ThrowTarget;
+			this.Stackable = false; // Scavenged explosion potions won't stack with those ones in backpack, and still will explode.
 
 			if ( targ != null && targ.Potion == this )
 				return;

Scripts/Items/Special/SoulStone.cs

@@ -51,10 +51,8 @@ namespace Server.Items
 			}
 		}
 
-		public static readonly TimeSpan UseDelay = TimeSpan.FromDays( 1.0 );
+		private string m_Account, m_LastUserName;
-
+		private DateTime m_NextUse; // TODO: unused, it's here not to break serialize/deserialize
-		private string m_Account;
-		private DateTime m_NextUse;
 
 		private SkillName m_Skill;
 		private double m_SkillValue;
@@ -67,10 +65,10 @@ namespace Server.Items
 		}
 
 		[CommandProperty( AccessLevel.GameMaster )]
-		public DateTime NextUse
+		public string LastUserName
 		{
-			get{ return m_NextUse; }
+			get{ return m_LastUserName; }
-			set{ m_NextUse = value; }
+			set{ m_LastUserName = value; InvalidateProperties(); }
 		}
 
 		[CommandProperty( AccessLevel.GameMaster )]
@@ -128,7 +126,6 @@ namespace Server.Items
 			m_ActiveItemID = activeItemID;
 
 			m_Account = account;
-			m_NextUse = DateTime.MinValue;
 		}
 
 		public override void GetProperties( ObjectPropertyList list )
@@ -139,6 +136,14 @@ namespace Server.Items
 			{
 				list.Add( 1070721, "#{0}\t{1:0.0}", 1044060 + (int)this.Skill, this.SkillValue ); // Skill stored: ~1_skillname~ ~2_skillamount~
 			}
+			
+			string name = this.LastUserName;
+
+			if ( name == null )
+				name = String.Format( "#{0}", 1074235 ); // Unknown
+
+				list.Add( 1041602, "{0}", name ); // Owner: ~1_val~
+
 		}
 
 		private static bool CheckCombat( Mobile m, TimeSpan time )
@@ -214,19 +219,6 @@ namespace Server.Items
 				from.SendLocalizedMessage( 1070735 ); // You may not use a Soulstone while your character is paralyzed.
 				return false;
 			}
-			else if ( now < this.NextUse )
-			{
-				TimeSpan time = this.NextUse - now;
-
-				if ( time.TotalHours > 0.0 )
-					from.SendLocalizedMessage( 1070736, ((int)time.TotalHours).ToString() ); // You must wait ~1_hours~ hours before you can use your Soulstone.
-				else if ( time.TotalMinutes > 0.0 )
-					from.SendLocalizedMessage( 1070737, ((int)time.TotalMinutes).ToString() ); // You must wait ~1_minutes~ minutes before you can use your Soulstone.
-				else
-					from.SendLocalizedMessage( 1070738, ((int)time.TotalSeconds).ToString() ); // You must wait ~1_seconds~ seconds before you can use your Soulstone.
-
-				return false;
-			}
 
 			#region Scroll of Alacrity
 			if ( pm.AcceleratedStart > DateTime.Now )
@@ -442,6 +434,8 @@ namespace Server.Items
 
 				from.SendLocalizedMessage( 1070712 ); // You have successfully transferred your skill points into the Soulstone.
 
+				m_Stone.LastUserName = from.Name;
+
 				Effects.SendLocationParticles( EffectItem.Create( from.Location, from.Map, EffectItem.DefaultDuration ), 0, 0, 0, 0, 0, 5060, 0 );
 				Effects.PlaySound( from.Location, from.Map, 0x243 );
 
@@ -558,7 +552,6 @@ namespace Server.Items
 						cannotAbsorb = true;
 				}
 
-				//if ( fromSkill.Lock != SkillLock.Up || ( from.SkillsTotal - fromSkill.BaseFixedPoint + (int)(skillValue * 10) > from.SkillsCap ) )
 				if ( cannotAbsorb )
 				{
 					// <CENTER>Unable to Absorb Selected Skill from Soulstone</CENTER>
@@ -641,10 +634,10 @@ namespace Server.Items
 				fromSkill.Base = skillValue;
 				m_Stone.SkillValue = 0.0;
 
-				m_Stone.NextUse = DateTime.Now + UseDelay;
-
 				from.SendLocalizedMessage( 1070713 ); // You have successfully absorbed the Soulstone's skill points.
 
+				m_Stone.LastUserName = from.Name;
+
 				Effects.SendLocationParticles( EffectItem.Create( from.Location, from.Map, EffectItem.DefaultDuration ), 0, 0, 0, 0, 0, 5060, 0 );
 				Effects.PlaySound( from.Location, from.Map, 0x243 );
 
@@ -763,15 +756,19 @@ namespace Server.Items
 		{
 			base.Serialize( writer );
 
-			writer.WriteEncodedInt( 2 ); // version
+			writer.WriteEncodedInt( 3 ); // version
 
+			//version 3
+			writer.Write( (string) m_LastUserName );
+
+			//version 2
 			writer.Write( (int)m_Level );
 
 			writer.Write( m_ActiveItemID );
 			writer.Write( m_InactiveItemID );
 
 			writer.Write( (string) m_Account );
-			writer.Write( (DateTime) m_NextUse );
+			writer.Write( (DateTime) m_NextUse ); //TODO: delete it in a harmless way
 
 			writer.WriteEncodedInt( (int) m_Skill );
 			writer.Write( (double) m_SkillValue );
@@ -785,6 +782,11 @@ namespace Server.Items
 
 			switch( version )
 			{
+				case 3:
+					{
+						m_LastUserName = reader.ReadString();
+						goto case 2;
+					}
 				case 2:
 					{
 						m_Level = (SecureLevel)reader.ReadInt();
@@ -800,7 +802,7 @@ namespace Server.Items
 				case 0:
 					{
 						m_Account = reader.ReadString();
-						m_NextUse = reader.ReadDateTime();
+						m_NextUse = reader.ReadDateTime(); //TODO: delete it in a harmless way
 
 						m_Skill = (SkillName)reader.ReadEncodedInt();
 						m_SkillValue = reader.ReadDouble();
@@ -888,7 +890,7 @@ namespace Server.Items
 				}
 				else
 				{
-					ActiveItemID = ItemID;					
+					ActiveItemID = ItemID;
 				}
 
 				InactiveItemID = ActiveItemID;

Scripts/Misc/Gifts/Winter2004/PileOfGlacialSnow.cs

@@ -61,6 +61,9 @@ namespace Server.Items
 			{
 				from.SendLocalizedMessage( 1042010 ); // You must have the object in your backpack to use it.
 			}
+			else if ( from.Mounted )
+				from.SendLocalizedMessage ( 1010097 ); // You cannot use this while mounted.
+
 			else if ( from.CanBeginAction( typeof( SnowPile ) ) )
 			{
 				from.SendLocalizedMessage( 1005575 ); // You carefully pack the snow into a ball...

Scripts/Misc/Gifts/Winter2004/SnowPile.cs

@@ -47,6 +47,9 @@ namespace Server.Items
 			{
 				from.SendLocalizedMessage( 1042010 ); // You must have the object in your backpack to use it.
 			}
+			else if ( from.Mounted )
+				from.SendLocalizedMessage ( 1010097 ); // You cannot use this while mounted.
+
 			else if ( from.CanBeginAction( typeof( SnowPile ) ) )
 			{
 				from.SendLocalizedMessage( 1005575 ); // You carefully pack the snow into a ball...

Scripts/Mobiles/Monsters/Ore Elementals/DullCopperElemental.cs

@@ -55,6 +55,7 @@ namespace Server.Mobiles
 
 		public override bool AutoDispel{ get{ return true; } }
 		public override bool BleedImmune{ get{ return true; } }
+		public override int TreasureMapLevel{ get{ return 1; } }
 
 		public DullCopperElemental( Serial serial ) : base( serial )
 		{

Scripts/Multis/HouseFoundation.cs

@@ -715,7 +715,7 @@ namespace Server.Multis
 
 		public bool IsHiddenToCustomizer( Item item )
 		{
-			return (item == m_Signpost || (m_Fixtures != null && m_Fixtures.Contains( item )));
+			return (item == m_Signpost || item == m_SignHanger || item == Sign || (m_Fixtures != null && m_Fixtures.Contains( item )));
 		}
 
 		public static void Initialize()
@@ -999,13 +999,6 @@ namespace Server.Multis
 			}
 		}
 
-		public static bool IsSignHanger( int itemID )
-		{
-			itemID &= 0x3FFF;
-
-			return (itemID >= 0xB97 && itemID < 0xBA3);
-		}
-
 		public int MaxLevels
 		{
 			get
@@ -1094,6 +1087,8 @@ namespace Server.Multis
 		private static int[] m_StairIDs = new int[]
 			{
 				0x71F, 0x736, 0x737, 0x749,
+				0x35D4, 0x35D3, 0x35D6, 0x35D5,
+				0x360B, 0x360A, 0x360D, 0x360C,
 				0x7BB, 0x7BC
 			};
 
@@ -1127,7 +1122,7 @@ namespace Server.Multis
 
 			delta = -1;
 
-			for( int i = 0; delta < 0 && i < m_StairIDs.Length; ++i )
+			for( int i = 0; ( delta < 0 || delta > 0 ) && i < m_StairIDs.Length; ++i )
 			{
 				delta = (m_StairIDs[i] - id);
 				dir = i % 4;
@@ -1268,7 +1263,7 @@ namespace Server.Multis
 				int ax = x + mcl.Center.X;
 				int ay = y + mcl.Center.Y;
 
-				if( IsSignHanger( itemID ) || (z == 0 && ax >= 0 && ax < mcl.Width && ay >= 0 && ay < (mcl.Height - 1)) )
+				if( z == 0 && ax >= 0 && ax < mcl.Width && ay >= 0 && ay < (mcl.Height - 1) )
 				{
 					/* Component is not deletable
 					 *  - Resend design state
@@ -1279,9 +1274,12 @@ namespace Server.Multis
 					return;
 				}
 
-				// Remove the component
+				mcl.Remove( itemID, x, y, z );
-				if( !DeleteStairs( mcl, itemID, x, y, z ) )
+				
-					mcl.Remove( itemID, x, y, z );
+				int dir = 0;
+				
+				if( IsStair( itemID, ref dir ) || IsStairBlock( itemID ) )
+					design.SendGeneralInfoTo( state );
 
 				// If needed, replace removed component with a dirt tile
 				if( ax >= 1 && ax < mcl.Width && ay >= 1 && ay < mcl.Height - 1 )
@@ -2036,6 +2034,12 @@ namespace Server.Multis
 
 			if( foundation.Signpost != null )
 				state.Send( foundation.Signpost.RemovePacket );
+			
+			if( foundation.SignHanger != null )
+				state.Send( foundation.SignHanger.RemovePacket );
+			
+			if( foundation.Sign != null )
+				state.Send( foundation.Sign.RemovePacket );
 		}
 
 		public static void Remove( Mobile from )
@@ -2071,6 +2075,12 @@ namespace Server.Multis
 
 			if( context.Foundation.Signpost != null )
 				context.Foundation.Signpost.SendInfoTo( state );
+			
+			if( context.Foundation.SignHanger != null )
+				context.Foundation.SignHanger.SendInfoTo( state );
+			
+			if( context.Foundation.Sign != null )
+				context.Foundation.Sign.SendInfoTo( state );
 		}
 	}