Facebook Graph API

https://graph.facebook.com/jessestay

https://graph.facebook.com/jessestay?metadata=1

https://graph.facebook.com/jessestay?fields=name,picture

https://graph.facebook.com/icentrisdevs?fields=name,picture,friends&oauth_token=425581657554925|jssQVK-ENgAFILVt5-XVQRSYbl4
(To get the oauth_token - go to Access Token tool - https://developers.facebook.com/tools/access_token/)

Javascript Test Console & Examples:
https://developers.facebook.com/tools/console/

Posting a photo to a Wall:
http://stackoverflow.com/questions/3361507/facebook-js-sdk-how-to-post-an-image-on-wall
(see HBK's answer)

Posting a Canvas element as a Photo to Facebook's Wall:
https://coderwall.com/p/4qpmfw
    -- https://github.com/lukasz-madon/heroesgenerator
        -- uses code from here - http://stackoverflow.com/questions/5292689/sending-images-from-canvas-elements-using-ajax-and-php-files