Well, I got part of that added to DC at least. As it turns out, there is a problem with using the screen res designator. DC uses search paths to find art and sound files. The search paths differ depending on the screen res setting. If running in 1024x768 mode, then the \DefaultArt\1024 folder is searched first, the \DefaultArt. That way anything needed that is missing from the 1024 folder can be loaded from the DefaultArt folder. This system only works if the file names are the same. Adding 'a=640,b=800,c=1024' to the filename breaks this search, unless DC searches for each possibility. That is search for the 'c' version, then the 'b', etc. That could be done, but I was worried about longer load times. The more files and subfolders there are, the longer it takes to search for each file.
The rest of the naming convention is included now, and it is listed in the help file for reference.
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CocoaSpud
Dungeon Craft Development Team
http://uaf.sourceforge.net