Can A Ps3 Mess Up A Flat Screen Tv?

i have a 1080p full hd LCD samsung flat screen tv and i was wondering if it will mess up my tv or something?? also is okay to play teh ps3 on it?? also wats better to playa ps3 on a 1080i or a 1080p?

If I Cancel My Yahoo Account Will It Mess Up The Fantasy Football League I Am On?

I have a yahoo account that I want to cancel but I am on a fantasy football league that I signed up for using that email. Will cancelling that email mess up the rest of the league?