From the Garminfone Android 2.1 (Eclair) manual:

"1. From the application tray, touch Camera > = > Camera Settings.
2. Select an option:
> Touch Color Effect to select a color effect to apply to photos you take.
> Touch Lighting Adjustment to select a lighting condition, or select Automatic.
> Touch Picture Resolution to select the resolution at which to capture photos. Higher settings use more storage memory to provide better-quality photos.
> Touch Shutter Sound to turn the shutter sound on or off.
> Touch Auto Review to turn the review page on or off. The review page displays the photo briefly after you take it.
> Touch Video Quality to select the resolution at which to record video.
NOTE: Video Quality can only be adjusted when MP4 is selected as the Video Format.
> Touch Video Format to select the video to use when saving videos.
NOTE: Only 3GPP videos can be sent as a multimedia message."