Related to the screenshot ability:
I ran into a gentleman the other day and we were comparing notes.
He mentioned the app he uses to print to HP wireless printers. However, it only prints pictures from the Photo album.
A little later, I mentioned that it'd be nice if we could print from any screen, such as when looking at Flickr photos.
He said, aha, he does this by snapping a screen shot of the online photo, which means now it's in the Photo album and he can use the HP printing app on it.
Not the best resolution, but a clever trick.
If you'd want a better resolution and not have the safari app in the picture, you could hold your finger on the picture and a few choices come from the bottom of the screen. One of those choices is to "save to photo album"