Use this code, so you can integrate a start poster.
I have seen, that the iPad don’t show the video, only a start arrow.
Also on your website in the first/last post.
http://www.jazzvibe.com/video/downloads.html
<video poster="%resource(your_image.png)%" src="%resource(your_video.mp4)%" width="560" height="445" controls> Your browser can not play this video. </video>
Cool music!