In the file manager select the image, then look at the top right of the file manager window, there is a section labeled actions with an option to rotate clockwise, or counter clockwise.
Your friends over here at WebAssist! These Dreamweaver extensions will assist you in building unlimited, custom websites.
These out-of-the-box solutions provide you proven, tested applications that can be up and running now. Build a store, a gallery, or a web-based email solution.