Suppose you want to create a movie from iCam JPEG stills. Maybe you want to post it, or email it. Here's how! (This approach only work for Mac users, but no doubt something similar works in Windows. It also helps if you have some experience with iPhoto and iMovie.)
Locate the iCam source files at [user]/pictures/iCam source motion events/[gigantic alphanumeric hash sequence]/[pictures with date-time stamp]. Open iPhoto and drag the JPEG pictures into it, creating an Event (which you can name for convenience). Close iPhoto (if you wish) and open iMovie.
On the right side of the iMovie window, in the middle, find the still camera import icon and click it. This brings up a window to iPhoto within which you can navigate to the correct event (the one with the iCam pictures that you just named above). Events are shown after the divider; just look for one of the iCam JPEGs you recognize.
Create a new project (File->New Project) and drag the event into the project.
Use Command-A to select all the images. Select the little Gear indicator and pull it down to get the options to edit the clips.
You can crop the images, adjust the exposure, brightness, saturation, white point, and so on. Make sure you turn off the Ken Burns effect, which is on by default. On the Clip options, set the duration of each picture to about 0.5 second, or whatever looks best to you.
Use the spacebar to preview the movie. When you have it the way you like, choose Share->Export Movie to export it as an m4v movie. Enjoy!