Animated gifs are located at the very end of the gallery.

More pics added.

Drowning fetish? That must be difficult to indule in.

Base +8, Darkness Despair Destruction +10, NemesisLives +9, LoveAnimation -3, SsSanaki +8, LOLMAN1990 +9, Ejastik +7, VaryEx +7, catdrag0n +13, jaylou1010 +9, Spring Heeled +9, pocky00 +32, kikac10 +7, and 19 more...

Another gallery that is the embodiment of Rule 34.

Base +14, LOLMAN1990 +9, LatexBoobs -11, catdrag0n +13, jaylou1010 +9, nub1 +6, m42a +9, danixxx +31, Jack5544-_ +6, hotdiabling -6, Thatbigguy -8, Tesxy -24, soifonfan15 -6, and 2 more...

I'll take underwater part.
But I mean there is weirder.

Base +25, happyfauter -5, Thatbigguy -8, soifonfan15 -6

does anyone recognize the were the original cgs are from?

Base +10, homogenized +10, Thatbigguy -8

Drowning fetish? Leaves me breathless every time.

Base +7, nex009 +8, Jesen +8, happyfauter -5, ezy7 +9, versulas +7, NoNameNoBlame +28, jaylou1010 +9, Jack5544-_ +6, zabi +9, TheTrooper +9, xenophone +6, yoyo546 +23, and 17 more...

Smell fetish is much better.

Base +3, Tesxy -24, soifonfan15 -6, rebeccaclarke -5

This is actually less weird than what you are imagining (I mean, it's very weird, but unheard of). There are people who (kind of) hang themselves since they recieve sexual satisfaction from the feeling of asphyxiation.

Base +10, Thatbigguy +8, Iga62737 +5

to bad all of it is photoshop

Base +10, starboar +9, Spacewarp +8, XaviNL +7

dangerous play, 1st seems dead
but its both cool outside and warm inside,easy to lift my girl, feel so good

Base +1

Oh hey, it's the serial killer from "The Cell".

Base +3