Source changes for image #508740

Image		Source	Action	Timestamp	User
508740		http://24.media.tumblr.com/4a389ca0c2e5ce2baba452d43981cdaa/tumblr_mxzmstm4dl1t4ng57o1_1280.png	Removed	10 years ago	Background Pony #82D6
508740		http://mlp-zat.tumblr.com/post/70367835751	Added	10 years ago	The Smiling Pony