Between the "my pictures" file on my drive, I also use Photo-Bucket as well as Picasa. I am using each for what they are good for and am moving them back and forth quite a bit.
http://lh6.ggpht.com/_9a8nDInPVGE/TEzBAmpTRPI/AAAAAAAACPA/gRBMtH89_5o/Picture%20001.jpg (broken link)