Both gegl and babl are in the repositories in intrepid, with the version numbers you specified. One problem might be that they are in universe while gimp is in main, so these two would need to be promoted to main as well.
Both gegl and babl are in the repositories in intrepid, with the version numbers you specified. One problem might be that they are in universe while gimp is in main, so these two would need to be promoted to main as well.