URL
http://api.imgble.com/rotate|<a>|<b>/http://mydomain.com/myimage.jpg

Parameters
<a> is the rotation angle in degrees
<b> is the background hex color.

Example
http://api.imgble.com/rotate|90|ff6600/http://farm1.static.flickr.com/57/197881059_aeb724b1cf.jpg

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