iReport — Marshmallow Fight — tradition that follows the Fourth of July community fireworks show from the OB Pier — turned a little wild last year, leaving a gooey mess on the streets and sidewalks.The aftermath of last year’s event has prompted Ocean Beach MainStreet Association executive director Denny Knox to encourage this year’s participants to keep the fight on the beach during the event’s silver anniversary this Fourth of July.Read more: San Diego Community News Group - OBMA urges crowd to keep marshmallow fight on sand