Kemo, my background is not accounting but here is what I understand of it.

better double check with yours

re capital gain: if you transfer securities into tfsa there will be a deemed disposition, often closing value on day of transfer. If you have a capital gain you will be taxed as if you had sold these holdings, and if you have a capital loss you will be able to claim it.

taken from:

http://www.canadianmoneyforum.com/showthread.php?t=1703

AU1