Do the Limbo Dance, Is Everybody Happy and Wir Zwei Allein Heut Nacht!!!!!
Remember, he was kind enough to illegally host those files on the public internet, the least you could do is only download them if you really want them. He may not respect copyright, but you should try to respect his bandwidth.
And, according to the blogger code, I am not allowed to pick on the Knight Rider without showing the best picture evar.
I have found it helpful to do the stretching exercises my physical therapist recommends. Do some core strengthening exercises, such as the ones highlighted at The Mayo Clinic. By keeping your core strong, your back won't put itself in a position to cause that sciatica pain you are having.