octopus_fool's suggestion for the May Theme Contest - Insect (and the other inverts, why not ) Reproduction.
This should turn up some interesting photos - there's an old saw about the pleasure being fleeting, the position ridiculous, and the expense damnable, but ridiculous positions is certainly a feature of invertebrate reproduction. Consider spiders, or dragonflies, for example. And of course, that most acrobatic of animals, the slug.
Click to view
As usual, post to
the comments over at I Heart Bugs, with ID and locale where possible.