Here's the update:
The decision to play music from the local bands was entirely that of The Blaze's program director, Angel. It seems that ClearChannel gives the PD's more leeway than people think; it's just that most are too lazy to do anything other than what's already in the system. Whilst it's SOP for CC to swallow up small, independantly-owned stations and other venues, and just as standard for the PDs to ignore all non-mainstream music, it's not in the corporate handbook.
The solution;
Flood the management of ClearChannel radio with fellow indie freaks that are (at least mildly) apprised of what tests well in the realm of the mainstream. Wait six months, and Indie Rock will hit a new rennaissance. Wait ten months, and Time Magazine will release the "Indie Revolution" issue. Wait ten and a half months, and all of the PDs will be fired, and the revolution will be over...
...
Well, it's a temporary solution, anyway.