The scenes deleted:
Stiles is looking for some marijuana in his garage and Scott confide in him he is a werewolf.
Pam tempts Scott to become the wolf by getting him "worked up".
The scenes added:
When Scott says his goodbyes to Boof after walking her home, he is all of the sudden being chased by a pack of dogs. He is saved by the family dog, Daisy.
Scott is sitting on the porch with Daisy after coming home from the dance. He tells his father that he's decided to not become the wolf anymore. His father tells him he will use it when the time is right.
The UK video has about 5 seconds cut in the above mentioned marijuana scene, namely any shot that shows the pack itself.
The cable TV version includes all four of the alternate scenes.
There's another scene of Styles trying to get a keg of beer from another liquor store. He explains to Louis that he saw it in a movie onces. After he comes out of the store kegless and gets in the car he says it didn't work in the movie either.