RECORD VIDEO on 3G iPhone! Here's how...
Guide to installing iPhone Video Recorder on your iPhone 3G - this also works on the first gen iPhone
GadgetSplaff.com
Fill in the missing feature of Video recording on your iPhone by jailbreaking and installing iPhone video Recorder, and enjoy taking video on your iPhone 2G and iPhone 3G
In brief,
Jailbreak, launch Cydia, install OpenSSH, add www.iphonevideorecorder.com to the cydia sources, install iPhone Video Recorder.
Open a SSH shell to your iphone
Log in, username "root" default password is "alpine"
type in the following commands;
cd /var/mobile
mkdir Documents
chmod 777 Documents
cd /Applications
mkdir Documents
chmod 777 Documents
you're done, enjoy recording video in your iPhone 3G.
If you want to get the files on your computer so you can email them or edit them or whatever, you're going to need to open up your FTP client on your computer, set it to use the SSH file transfer protocol punch in your iphone's IP address login name and password and navigate to the /private/var/mobile/Documents folder, that's where the completed video recordings are stored, you can just drag and drop your files from there.