The only way to play Crawl is in an ASCII interface, however, people have still made some excellent tiles for the game. Check out the tiles here, and stick to Telnet/SSH for your gameplay. Like the Nethack tileset, another great example of roguelike graphics.
Just think of the time that is saved not animating any of this crap. It's a wonder we ever started caring about graphics so much. Make sure to click the picture or save it for the full-sized image.