What more needs to be said? If he's British/Irish/Scotch, if he is (or was) on the screen/stage, if you absolutely, positively want to pounce on him....
This is the place for you. Join, and help make the sentiment grow to disgusting proportions.
1) Any images (fabulous as they may be) larger than a user icon (or more than two user icon sized ones) should be put behind an LJ-cut.
2) Sexually-tinged narrative- you know, a shocking breed of fan-fiction- is allowed, but might be cut if it's long or too vulgar. Exercise good judgement. Exercise perfect judgment if you are under eighteen. (Read: Don't do it!)
If you don't know how to do a cut, please go to the live journal FAQ and learn!
3) Have fun. This is a place where we can be open about our lust. So have a heart before you say something like: "I think so and so is particularly vile". Bashing will not be tolerated. Boffing, on the other hand..
(many thanks to vasilissa for making this a far more stylish and correct in it's grammar.)