Edited again to add: I just copied and pasted the link and it went right to the photo. I wonder if it has something to do with the fact that I'm logged into my Picasa account.
That is probaby why you are seeing it, I am also getting page not found. Regardless, the link (image) needs the full url to the actual photo with the .jpg extension. What I think you are linking is the webpage when you are looking at the photo.
