At this time it is best to record videos no longer than 1 minute with an iPhone 3GS. The iPhone 3GS limits the length of a video that you can attach to an email. Keep in mind that if you have already recorded a video or happen to record a video in the future that is over a minute the iPhone 3GS will allow you to trim the video automatically when you select that you wish to Email.

Thwapr is working on a workaround for this limitation and we will notify our users as soon as this issue has been resolved.