Create your own photo blog style website just Fotolog for free. Get Fotolog clone script here. This is a free open source photo blog that can handle lots of traffic.
Chevereto is an image sharing TinyPic like site that is made n PHP. You can upload images on your own server without any restrictions.
CF Image Host helps you create your own free image sharing site. Built in PHP this site helps enable thumbnails and create social bookmarking links too, which makes it a very fancy free image sharing and hosting site.
This is a Photobucket clone website script that allows you to create an image hosting site of your own. The site allows to add features similar to TinyPic, Image Shack and Photobucket. Create an image hosting website that will allow you to host images uploaded by other people.