Create Slick DVD Menus with ManDVD

Removing Backgrounds Quickly in the Gimp

(from LifeHacker.com)

InterfaceLIFT wallpapers

Link to a big repository of free wallpapers.

(from LifeHacker.com)

GREYCstoration

Great free, open source tool "for image denoising and interpolation".

Take a look at the demo pictures to see the astounding things this tool can do!
:-O

(from Slashdot)