Some information about ASCII-art has been gathered here. ASCII art is one or more images consisting of the characters and symbols on your keyboard/computer.

Not only is Joan Stark so well-known for her ASCII stuff, she's also now in the wikipedia ;) I couldn't get to her homepage because it has exceeded its bandwidth, but here's her Wikipedia entry that also includes a ton of links for her:
http://en.wikipedia.org/wiki/Joan_Stark


And while there, I also found this page that has a ton of links to some ASCII galleries at the bottom:
http://en.wikipedia.org/wiki/ASCII_art


http://www.ascii-art.de/
http://www.ascii-art.com/
http://www.arkworld.com/ascii/
http://directory.google.com/Top/Arts/Visual_Arts/ASCII_Art/Collections/
http://www.scopie.com/asciiart/
http://www.geocities.com/barnabas_yohannes/ascii.html