ACDSee - ACDSee is an image viewer that uses very little system resources, and it has a small, sleek size that won't take up much space on your system.
Imgur - Imgur is a free and simple image hosting service with image editing feature. Signup is optional.
Photoscape - high quality photo editing software, that enables you to fix and enhance photos.
Flickr - image and video hosting website
Fotor - Fotor is an all in one visual platform. It includes photo editor, collage maker, and graphic designer. You are free to make a visual look more beautiful.
Photobucket - Photobucket offers image hosting and free photo and video sharing.