I want to start making my own Tileset

I want to start making my own tileset is there a thread here that explains how to do it and what program I need to use? Or if anybody can give me advice I would really appreciate it. Thanks :smiley:

This is a good program to use.

http://smf.cataclysmdda.com/index.php?topic=5686.msg97412#msg97412

Thanks for the help! :smiley: