Hidden Depths- HL/Batman X-over. Duncan's having the perfect day, until... Perfect story for those who think Duncan would notice being watched over 400 years.
Out of the Shadows- Angel story, Angel(us)/Spike. Ever wonder what happened to the demon when the curse put the soul back into the body? Now that you do, go find out.
Melting the Cold- HL/Angel X-over. Ever thought Methos needed someone with a past like his own? Like Angel?
Mr. Responsibility and its sequel Spreading the News- X-men fic. Iceman gets fed up and decides to cut loose, and takes Gambit along for the ride.
When Fate Laughs- Ranma 1/2 and GW X-over. Its Ranma/Herro. The G-boys end up in Ranma land.
Siochaint- Highlander, D/M. When Duncan's past comes to haunt him, Methos steps in to protect and comfort him.
Just a few of the Great fic's on Amy's page. There is also an A-Team fic and many others. (No, not all of them are X-overs)