I use imageshack.us While it doesn't have an album option so other people can view your photos as a whole album, it does allow you to post pictures on forums as thumbnails and it says the size of the picture under the thumbnail so people can choose if they want to click it and load the fulll size picture or settle with just seeing the thumbnail...I would think maybe this would be easier (to post pictures) so that users with dial-up don't have to wait for a whole page of pictures to load...idk JMO...here's an example of how they show up as thumbnails: this thread