Weathervane Playhouse will bring back the third annual TheatreFest Aug. 16 through 18.Playwrights from around the country are invited to submit 10-minute plays, which will be read by a committee of volunteers. Eight plays will be chosen as finalists. On TheatreFest weekend, Weathervane will present three performances of each of the finalist plays. Guest judges will rank the plays and audience members will vote for their favorite. Following Sunday's matinee performance, winners will be announced and cash prizes awarded. Prizes include: n $350 - First Placen $250 - Second Placen $150 - Audience Favoriten $50/each - Five Runner-UpsGuidelines and submission info for playwrights can be found on Weathervane's website at (Shows & Events, Special Events.) For theater "buffs" who wish to be reader/judges, contact: Eileen Moushey, coordinator of Weathervane Playhouse's 8x10 Festival , at