URL
http://api.imgble.com/crop|<l>|<r>|<t>|<b>/http://mydomain.com/myimage.jpg
Parameters
<l> is the number of pixels to crop from the left side of the resized image <r>, <t>, <b> are for right, top and bottom respectively.
Example
http://api.imgble.com/crop|40|10|10|10/http://farm1.static.flickr.com/57/197881059_aeb724b1cf.jpg