Have a look at the
Danse Macabre for some masterful kitbashes of eldar, dark eldar, doomfire warlocks, and so on.
Shadows of Commorragh is also a good blog using some more recent models including the elf bloodbowl team.
I've personally been thinking that the Wood Elf bloodbowl team would work nicely too - dynamic posing, spandex, flip-belts. Almost like someone planned them for double duty...
Above all, don't forget to show us pictures of whatever you come up with!