I'm still reading SGA holiday exchange stories and have also started browsing the now live
Yuletide archive, so here's a couple of recs:
SGA
Red Flowers, by Anonymous. Teamfic. (ca 25,620 words)
This is a great action-adventure teamfic with cool world building of a Pegasus civilization. It has some Sheppard/McKay as established background pairing, but that is minor and the focus is on the whole team with Teyla and Ronon playing nearly equal parts to Rodney and John, though it is slightly Rodney-centric overall. So unless you hate the pairing like the plague, you'll enjoy it as a plotty team story with aliens, Pegasus politics, just the right amount of technobabble and explosions, even if the listed pairing isn't your thing.
Dresden Files (bookverse)
The World's Largest Kitten, by Anonymous. (ca. 1,200 words)
This is just really cute and fun fluff with Mister and Mouse.
Terminator
How to Change the World Without Even Trying, by Anonymous. (ca. 1,400 words)
It's a characterstudy looking at John, and how the world his mother raised him in is removed from the mainstream, and then John's view of his foster families and his changing perspective on his mother.