dj bc's beloved holiday mashup series Santastic returns with Santastic Seven: It's a Wonderful Mash. Previously.
The same songs you've heard time and time again can be reinvigorated with a little remixing and mashing-up. Presenting the wild, wild world of Christmas mashups, starting off with a wide array of Christmas mashup music videos, such as "Rudolph (You Don't Have to Put on the Red Light)" or the rather trippy "Pump Up the Holiday". (However, there's quite a few more links inside the post.) [more inside]
Cassetteboy - Festive Christmas 2010 (NSFW audio) (previously 1 2 3) (bonus NSFW Harry Potter trailer)
Santastic I, II, and now III, holiday mash-ups, alternate treatments and bootleg remixes.