Here are the available tileset editors for anyone who is interested.
(I take no credit for these)
WART:
http://www.mediafire.com/?ymykwjznmjy
Heres the link to the gbatemp post.
http://gbatemp.net/index.php?showtopic=195501
Puzzle:
http://www.chronometry.ca/puzzle_win0.6.zip
Here's the link to the rvlution post:
http://rvlution.net/forums/viewtopic.php?f=18&t=310