the cams and ucodes are already installed just check the cam attributes are set to 755, these 3 files are in the var/bin/emu folder. just right-click and you'll see attributes (chmod), this will show you...
it's all in the comm 7.5 thread, just takes a bit of reading...
don't know if the img has been updated, i've done mine and it only takes 2 mins...don't think it's politically correct for me to post an updated img, that's up to the creator(s) who deservedly take all the credit....