Don't force your IP unless you know what you're doing. If you force the wrong IP you will achieve absolutely nothing, - or even worse, - some other host will get hammered for files that you have.

Did you set up your router to do port forwarding? If not forcing your IP won't do you any good.

__________________
Morgens ess ich Cornflakes und abends ess ich Brot
Und wenn ich lang genug gelebt hab, dann sterb ich und bin tot

--Fischmob