Need help getting YouTube videos on iPhone

[i2Pimp]

If somebody has a program that lets you download videos off of YouTube, then convert them to .mp4, please let me know, it can be two separate programs if anything, but I just want these, thanks. :)

[Rusty Shacklefo]

I only know how to download them... http://keepvid.com/

[Darren K]

Try this:
http://vixy.net/

Scroll down the options to choose mp4 for the conversion.