TileStudioCommunity Forums/Developer Stations/TileStudio
| Blurb: Complete development utility for graphics of tile based games. Includes a bitmap editor for creating tiles and sprites and a map editor for designing level maps. Output is completely programmable, generate header/source files for use with any project.|
Has support for Blitz as standard :)
| Should mention this one here as well, also has support for Blitz:|
| I have worked with both and can only say, choose Mappy.|
Heres a little tutorial I've put together.