That little video is all.
I corrupt and lost everything in the doom2 .wad. ( in some experiments -_- )
Now i am experimenting with doom modding using the game Zombie Ate My Neighbors.
http://www.youtube.com/watch?v=OVRA7U3sWzM
This are the tools i use for doom modding:
This tools let you edite sprites/textures/music/sound etc..
*XWE or SLADE "SLADE support .PNG pictures"
this tool is for level/map design.
*Doom Builder.