What are two things Brom does to get back at Icabod for trying to steal his girl?Legand of sleepy hollow

Brom Bones basically resorted to playing pranks on Ichabod in hopes of making him look foolish so he could win Katrina back.  Brom broke into the school house and messed everything up, he stopped up the school house chimney, and he trained his dog to croon and then introduced it to neighbors as Ichabod.