OS Builder/Add Adobe Flash support
Adobe Flash should be avoided. See Using Flash is like leaving your home doors open and sending invites to criminals by David Glance, Director of UWA Centre for Software Practice at University of Western Australia.
Adobe Flash has a proprietary license which prevents redistribution. It will be in violation of the license to distribute your resultant build unless you have received special permission from Adobe.
You can request such permission on the Adobe website.
adobe_flash to your modules list:
cat <<EOF >> your.ini [adobe_flash] EOF
While Flash is available as a standard Fedora RPM distributed by Adobe, it breaks the rules of packaging. This means that it requires special support from this module.
See modules/adobe_flash/README in OS Builder for documentation.
See also Adobe Flash and especially the lack of support for XO-1.