A few links to useful posts about Mac OS X Spaces that help you organize your desktop(s):
- OS X Mountain Lion: Work in multiple spaces (the tip on moving a Window between Spaces is invaluable).
- Manually rearrange full-screen apps, spaces in OS X Lion 10.7.2 | How To – CNET and Move Desktop Spaces in Mission Control for OS X with a Drag & Drop.
- Stop Spaces from Rearranging Themselves in Mac OS X.
–jeroen