If you get a tracking satellite antenna onto the DA42 to give a beyond line of sight (BLOS) capability for the picture dissemination then that will be a cracking capability.
High bandwidth HD-video capable satellite BLOS uplink for DA42M is already available:
Successful Maiden Flight Of Diamond DA42 MPP Installed With Ku-Band Satcom
I think the most significant development is that the link is duplex, meaning the camera operator can stay on the ground, saving significant payload weight.