So on a youtube clone, any if you guys come up with efficient ways to reduce bw and to stop people leeching?

Right now I'm looking at mod_iplimitconn and mod_bw.

Any of you guys using this and do these mods work well?

Anyone here found a good way to stop direct hot linking to videos stored on your server? (flv).

Other then putting some animation infront of it that shows that its your video, I'm wondering if there is a nice solution.

I see some people talk about randomized links so that hotlinking wouldn't work. Would a solution like that work for a youtube clone? And where can you get that sorta modification. I'm assuming it isn't just a simple htaccess.