* Plugin for GIMP to edit an image in a Property
- Get URL of target object(s) from env, or prompt with a dialog
- then import existing image metaobjects as layers (one layer if
- target is an image not a frame) in a new image in gimp
- 2 modes: synch periodically (choose rate or after every change)
- or when a button is pressed (with key shoutcut if possible)