Here are some of the ways to upload music videos to your apple iphone:
1. go to the itunes website and download the iTunes 7.3.0 software version. you need this so that you can upload music videos to your iPhone. get the itunes software from this URL >>>
Apple - iTunes - Download iTunes
2. once you have your own itunes software, run it then create a playlist (click file -> create list), then drag your itunes music video to this playlist. after that, sync your iPhone