I used 2 1/2 lbs of brown sugar and a generous shake of the cinnamon shaker, and I threw 2 cinnamon sticks into the primary.
The sleeves came with the carboys. I got a killer score on Craigslist the other day! CHECK IT OUT HERE
The guy who I bought them from had his wife sew them to keep the light out. They are also good for storage because they provide a barrier between the carboy and other hard objects!