The first public release of Blasphemer is available here:
http://www.jeshimoth.com/jutegyte/blasphemer/NOTE: Currently Blasphemer only seems to run in ZDoom (and port derived from it). Any advice on how to correct this would be greatly appreciated.
A great deal of textures are replaced, along with many sprites, a few sounds, the complete soundtrack, and one map. There are enough textures now for mapping to be a viable option, and maps would definitely be appreciated (as would other contributions).
Some screens: