Now that they are no longer puppies, a class of young diamond dogs gets some firsthand lessons in the art of banging.

Just to warn you, this is so totally a steamy clopfic.
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Like, I bet you won't even make it to the end its so steamy.
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Seriously, if you don't like that sort of thing, just look away.
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Okay then, but don't say I didn't warn you!

Written for ocalhoun's Big 250K Contest. Pretty much a spinoff/sequel to one or other of these stories.
http://www.fimfiction.net/story/297000/sex-ed-pony-style
http://www.fimfiction.net/story/262353/sex-ed-changeling-style
Cover source: http://mlpimgmacros.tumblr.com/page/17