Picasa is a pretty good photo organizer that has some built-in editing features that let you do simple things like remove red eye, crop and play with the colors a bit. I use it all the time on my Windows machine, but it will be nice to start playing with the Linux version once it is released (hopefully in the next couple hours). I wonder if it is an exact copy of the Windows version or not -- I'm guessing it will be a bit different.
Now we just need a Mac version -- however iPhoto is a great application that is likely already being used by most Mac users, so it will be difficult for Google to gain much traction there.
Since the Picasa for Linux page doesn't work for some people -- here are direct links to the downloads: