Monokai

Using Textmate for Flash Actionscript, HTML, CSS and Java. You can find a color theme and a tutorial on using Textmate, MTASC and XTrace together over here: http://www.monokai.nl/blog/2006/07/14/using-textmate-mtasc-and-xtrace-to-build-flash-projects-in-mac-osx/

Using this setup and SWFMill, I built Monoslideshow:
http://www.monoslideshow.com

Our Dutch graphic design company:
http://www.booreiland.nl

My personal playground:
http://www.monokai.nl