Spots are still available for businesses and organizations to host booths at the annual Southborough Summer Nights festival, which is scheduled for Aug. 25. Booth spaces are 10 feet by 10 feet,  and locations will be determined by the Southborough Summer Nights Committee after a completed application is received. Booths cost $125 for businesses and $25 for student and nonprofit groups. Food vendors must receive a permit from the Health Department no later than Monday.  To learn more about the festival or to register for a booth, visit www.southboroughrecreation.com.