AitCassidy's Highlander stories Cecilia's Page Crossovers with the vampire chronicles, including slash, and other fanfic. Janeen Grohsmeyer's Page Mostly Gen stories, no slash. Tales of Early Duncan and the continuing story of Cassandra in the Hope Series. Connor and Methos are there, too. Jam-wired's Writing Kamil's Highlander Home Slash Stories Fic.
Some stories are slash.
Christine and Cassandra Pierson's Pages Stories in German and English. Primarily Highlander, but others may make guest appearances from time to time. Adult and Slash Friendly. It is a turn Archangel on its ear kind of story that just grew and grew andgrew into a novel. For mature readers.