TweetPhoto.com

I just switched my photo sharing service over to TweetPhoto.com and am pleasntly surprised with the rich tools built into the service. I especially like the geo-tagging feature that builds in the location of the image so you don't have to tag the location to know where the photo was taken. The integration of twitter and facebook friends makes it much easier to keep up with people you are following. 

http://www.tweetphoto.com/user/smithdidit

Thanks to @mvellandi for the suggestion.