InvulgoMindMapper
InvulgoMindMapper now available on Windows Phone 7.
PC Transfer Instructions
Features:
- Quick and easy mind mapping on your mobile device.
- Assign up to 5 predefined images to any node in mind map.
- Color any part of mind map with gradient colors.
- Saves a recent list of the last 5 maps.
- Full undo/redo.
- Export mind maps to invulgo.dk. In the future this can enable usage on other devices.
- Transfer mind maps to and from Windows version on your PC. (InvulgoMindMapper)

- FreeMind format support
- Save as jpeg
Updates
New in version 1.6:- UI updates to be more Metro
- Save as jpeg to media library
- Updated some minor Mango issues
- Settings has font size now as well
- Dropbox support
- FreeMind format support
- Improved node ordering
- Performance improvement
- No idle while in map
- Sort images according to usage
Buy/Try on Windows Marketplace
Demonstration video
Gallery

The picture thing is on my todo list. Unfortunately that list is long ;)
I tried creating an account on the remote server you offer and did not get the email for verification.
any help?
p.s
You might want to add saving map as a picture?