@ jaydotelloh
just found why directly your apk was not installing : not signed
so just extracted your apk , removing all in Meta-Inf and resigning , unistall Nova Launcher and ...................
now it works perfectly
really strange : I've tried to change the background png and it was not working with my mod , I'll retry (png mod : portal_container_holo.9.png and portal_ring_inner_holo.png
for the next version could you just change these png and I'll change in my apk
or probably ,no need to make a change , just to replace the original png with yours
EDIT : tested with beta15 apk , copying your 4 png (portal*) and your mods are not there !!!
could you try to make a beta15 mod Blue Rings (with the Blue background Folder) ?