"A first pre-release of the GIMP Animation Package for GIMP-2.0 has been made available on ftp.gimp.org.
GIMP-GAP is a set of plug-ins for the GIMP-2.0 that extends GIMP for creation of animations based on a series of frame images. GIMP-GAP is the next development step of the Video Menu that once was part of gimp-1.2."
Read the full thing here
Sounds pretty cool....