I've been thinking about the HL re-make thread and its great response and was thinking about having some kind of monthly contest for best texture in a given challenging field! The contest will specify dimensions, texture theme and so forth. I have some ideas already thrown up here, but I'm very open to some new ideas. So post away! Your input counts!
Dimensions: 256x256
Themes:
Overgrown city (think vines wrapping decayed building structures
Deathmatch metal (create a texture, or small set for a deathmatch setting using only metal)
Intricate machinery (overly intricate machinery set into a wall)