It’s very easy to download Youtube videos to PSP. Firstly, you need to download BlazeVideo PSP Video Converter, install and run it.

Secondly, Click “YouTube” button on BlazeVideo PSP Video Converter to turn to “Video Download” window:

At last, Convert videos to PSP

Drop down “Profile” tab to choose output video format. Click “Start” button to convert the downloaded FLV video to MP4 for PSP, PS3 or PS3 HD.