Just came across this pixel art program which I don't think I've seen mentioned on the forums. Free version is available.
Graphics Gale
Although the site is Japanese(?) you can find the download page by clicking on the huge 'download' image. The free version is the link under the table with the least amount of 'ticks' (or download directly is you're lazy [a http://www.humanbalance.net/cgi-bin/log.cgi?type=dl&name=dlgalefree&url=http://www.humanbalance.net/gale/setgalefree.exe]here[/a] (*.exe))
Screeny
Graphics Gale
Although the site is Japanese(?) you can find the download page by clicking on the huge 'download' image. The free version is the link under the table with the least amount of 'ticks' (or download directly is you're lazy [a http://www.humanbalance.net/cgi-bin/log.cgi?type=dl&name=dlgalefree&url=http://www.humanbalance.net/gale/setgalefree.exe]here[/a] (*.exe))
Screeny