1. viewtopic.php?f=3&t=9&start=0&st=0&sk=t&sd=a

2 . Dependent on the hosting company and network speed

3. The List of allowed file Types flv,3gp,mp4,mov,asf,mpg,avi,mpeg,wmv,rm,dat

4. Different flash player work different way. You can edit flashplayer settings in include/player.inc

5.Friends can view their private videos

6.Yes,You can enable or disable in admin area. SITE SETTINGS => SIGNUP SETTINGS => SIGNUP CAPTCHA

7. Through admin area you can put waterwark logo on your video player