Original Van plate had a ram push the van up by the rear that was painted out and then Scooby and the Pterodactyl and his particles were added in over the plate.
3D CGI Claws grab onto the Mystery Van, roto mattes used to place the feet behind the metal bar on top of the Van.
CGI Ptero composited in the live plate of our mystery gang tumbling out of the Mystery Van.
Another shot of the Pterodactyl and his CGI Elements added to the live bg plate.
Montage of all of my shots composited for Scooby Doo 2.