Required Automatic Watermark Software Plugin for Porn Tube site .

Hello I'm looking for some one that knows about flash player, ffmpeg, mencoder etc. what i need is i have a adult video website. script is AVS. I need my videos watermark on upload of all videos to my site. just like [[login to view URL]] wile watching the video a watermark runs across the video. should say videos was upload at mysite.com. this can be a module that watermark videos of my choice or just when anyone upload a video it gets that waternark. watermark must show like 30sec in the video etc. I need this done ASAP. so anyone with experience of doing this please contact me . My website is [login to view URL] . Please check out this : [login to view URL] Thank You .