HTC Rhyme User Manual page 275

Gallery sync options
You can automatically sync photos and videos between HTC Rhyme and a
computer.
You can sync photos and videos in these formats:
§ Photos: *.bmp, *.gif, *.jpeg, *.jpg, *.png
§ Videos: *.3gp, *.3g2, *.mp4, *.wmv
1. On the Device panel, click Gallery, and then click the On button.
Turning Gallery sync on means you want this category included
every time you sync your computer and HTC Rhyme.
2. To automatically import your camera shots to your computer
during synchronization, select Copy device Camera Shots to PC.
Photos and videos from your storage card will be saved to the \My
Photos\Device Camera Shots folder on your computer.
3. Select Sync PC photos & videos from, and then click Add.
4. Choose a folder that contains your multimedia files, and then click
OK. All supported image and video files added to this folder will be
copied to the storage card during synchronization.
HTC Sync 275