2 quick iPad2 questions.

I tried to move about 30 iTunes music videos (purchased) to my iPad2 using iTunes. They transferred and I see the cover, but they play as songs, not videos. Why is that?
I can't figure out how to transfer photos from my iMac to the iPad2 either. I used iPhoto, opened the iPad photos tried dragging from the Mac, no go. I must be missing something. Dragging a music playlist doesn't work either. I have the latest firmware. Thanks in advance, I feel like a dork. I don't use the iPad too much.

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Open them in the "videos" app, not the "music" app.

For photos, turn on photo syncing in iTunes (the photos tab of your iPad options, where you control your music/app/podcast syncing).