Hell, even some anime, such as Negima, have potential for crack pairings. How about Negi/Chachamaru? But nooo, its mostly Konoka, Asuna and Nodoka, with some Evangeline on the side.
Oh don't even get me started on Negima, that is one of the biggest let downs I've ever seen the fanfiction community make, I mean here you have this awesome anime that has ONE romantically-viable male character and thirty some-odd girls, all with different personalities and most with little to no character development, giving you a clean slate to work with. Animes like Negima are gold mines for people like Hawk, there are just so many options and girls to pick from that I think the only thing holding it back is that One) the leading male is a 10 yr old and Two) It's not very well know yet (compared to Eva or Love Hina). The age thing can easily be worked around in a variety of ways so really it just needs to gain a bit more popularity and people need to get off their butts (oh wait...scratch that, reverse it) and actually put some effort into putting some of the more obscure characters in a pairing, y'know what I would do to see a pairing like oh, Negi/Zazie Rainyday. If someone would do one, just one, pairing like that I think it would spur people to try them at least a little bit more. So please people, if anyone has any ideas for a pairing like that than don't hold back! Who cares what the general populace thinks, we, the silent minority, will be forever thankful to you for it.