I´m currently working on finishing a first useable version of the manual and I hope I get a LightFrog beta version up tomorrow since there is no much time left until contest´s deadline.
(Which in fact doesn´t mean that I´ll stop working on this after 1st of August. )

...documentation writing is a true motivation killer

Nevertheless, here is a pic which shows a familiar scene but using a glow mask you can simply paint in the alpha channel of the specular-power mask:



Also I´m interested in where you see a higher priority:
-Cascaded Shadow Mapping (outdoor shadows for directional lights like the sun)
or
-postprocessing lightshafts and SSAO

Eventually I´m going to implement both but what would you like to see in the contest entry version for sure ?

regards,