builds of upstream GIMP master, for what will become gimp 2.10. See http://jcornuz.wordpress.com/2012/06/02/the-day-goats-invaded-the-gimp/ for more information on GIMP and GEGL. Issues with this version of GIMP should be filed upstream, but be sure to note in the bug report that you installed via this package.
download the repo file for your version of Fedora to the /etc/yum.repos.d/ directory with a command like:
sudo curl -o /etc/yum.repos.d/ryanlerch-gimp-goat-invasion.repo \ http://copr.fedoraproject.org/coprs/ryanlerch/gimp-goat-invasion/repo/fedora-20-i386/
then update gimp with
sudo yum update gimp
The following unofficial repositories are provided as-is by owner of this project. Contact the owner directly for bugs or issues (IE: not bugzilla).