Our Video Player on the site allows for pre-roll ads on all videos, offering a unique and creative opportunity for advertisers to reach their audience. Your 30 second video or audio message will be played in rotation, before each video played. Every viewer will view / hear the message. File Formats: SWF, FLV, JPG (for still image pre-rolls). Pre-Roll Packages: up to 30 second spot in video rotation across entire inventory, for 4 weeks. After purchase send an email to firstname.lastname@example.org with Pre-Roll Purchase in the subject. And the link to you uploaded Video Ad.