SAN MARCOS — The city of San Marcos will present the movie “Monsters vs. Aliens” beginning at dusk on August 7, at Woodland Park, 671 Woodland Parkway. The movie will be presented on an enormous inflatable screen in high definition. Beach chairs or blankets are recommended for free lawn seating. Bring your swimsuit to “flick and float” at the pool where games and prizes are included for $5. Pre-show activities including food concessions start at 6 p.m. For more details, call (760) 744-9000 or visit www.san-marcos.net.