Add HD Video To iPhone and Use in iMovie

I searched everywhere for a method to get HD video onto my iPhone 4 for use in building videos using iMovie on the phone. I like to have a library of trailers and intros I use in my presentations available on the iPhone if I am building a video while away from my computer. I couldn't find a method anywhere for doing this task -- importing movies via iTunes won't let you import HD video and the content you import is not available in your global iPhone Photo/Video library. Requirements:

• iPhone (jailbroken)
• iFiles (software for acessing files on your iPhone)
• Suitable HD video for importing

First of all you will need to have your iPhone jailbroken -- I won't go into details here but that info is readily available on the net. Once you have your phone jailbroken you will need some software to access the files on your iPhone in order to transfer the video into your iPhone. There are several option for moving the files to your phone -- ...