Some jokes that aren't just look there's a boob?  Sacrilege!

Want more? http://obsessionismagic.blogspot.com/p/pony-pics.html

http://ncmares.deviantart.com/art/Equestrian-Gangster-450861322
http://antiander.deviantart.com/art/AI-bloom-452183570
http://antiander.deviantart.com/art/Scoota-Bot-451268263I 
http://assasinmonkey.deviantart.com/art/Sunbutt-451636047
http://blumagpie.deviantart.com/art/Summer-Coco-fun-452171067
http://crestfallencelestia.deviantart.com/art/Luna-451778289
http://darkflame75.deviantart.com/art/Dancing-on-sunshine-451946507
http://falleninthedark.deviantart.com/art/Incantevole-Luna-451119910
http://feyrah.deviantart.com/art/Princess-of-the-Night-451126324
http://foxinshadow.deviantart.com/art/Rainbow-Dash-Pin-Up-450757839
http://fralininin.deviantart.com/art/Princess-Celestia-451950805
http://the-butch-x.deviantart.com/art/Human-Pony-9-451684917