Imgur - Imgur is a free and simple image hosting service with image editing feature. Signup is optional.
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picinfinity - Picinfinity is an image retaining/proxy site.
phombo - Phombo is a photograph sharing instrument that gives clients a chance to add to group made photograph accumulations.
PicPicGO - Bring all of your favorite photos with mass amounts of storage space.
BlueMelon - BlueMelon is a premium photograph sharing web benefit, accommodating capacity and online offer of pictures.