Picasa automatically finds and organizes all of your pictures including: jpeg, tiff, bmp, psd, and standard camera movie files. Sending pictures with e-mail used to mean five steps just to get it right. Picasa lets you pick the size and then automatically attaches your pictures. Browse through all your pictures and view slideshows of your albums with the click of a button. Enhance, fix red-eye, and even crop without losing data or permanently changing your original picture.
New in 1.6:
Cropping, Support for more grpahics formats, Movie support, network drive support, more thumbnail sizing options.
News source: Betanews.com