This is a crossover between Doctor Who and Highlander: The Source, with major spoilers for the film and for the final episodes of the 2008 season of Doctor Who. All characters belong to their respective creators, and there is no intent to infringe on copyright. This story may not be distributed on a profit-making basis.
I personally think that Highlander: The Source is by far the worst thing this franchise has ever produced. However, it did lead to one plot bunny and a 100-word Drabble...
Did The Earth Move For You...?
by Marcus L. Rowland
Planets all the way from Earth to the Galactic Core shifted into new orbits as Duncan MacLeod kissed his beloved Anna. The Source was his, the prize...
Watching, Methos said "It's a bit melodramatic, playing billiards with the whole bloody galaxy just to let one immortal become a father."
Something black and disc-shaped flew across the horizon, lights flashing around its rim.
"MacLeod," Methos said urgently, "I've got a very bad feeling about this."
MacLeod and Anna ignored him. They were still kissing when several pepper-pot like shapes appeared above the trees, shouting "Exterminieren! Exterminieren!" and disintegrated them...
Belated author's note - since this seems to be confusing some readers - the final scenes of Highlander: The Source are set somewhere in Eastern Europe - I decided to go with E. Germany. Dr. Who canon is that Daleks attacking Germany shout in German.