Saturday, March 19:  Art at the Pavilion.  This popular event showcases leading and emerging Big Island artists. Artwork will be for sale as well as food and gift items, featuring Peter Weinstock on keyboard.  Admission is $5, children 12 and under, free. Paid tickets qualify for raffle prizes and ballot voting for "best artist."  Other raffle items and a silent auction are off erred.  Sheraton Kona Resort Convention Center, 78-128 Ehukai St., Kailua-Kona.  9:30 a.m. to 4 p.m.  For information…