Local artists will showcase "en plein air" paintings (French for "in the open air") during In the Good Old Summertime, held at historic Pennypacker Mills this Saturday in Schwenksville. Besides the open juried art exhibition, the event will also feature an antique car show, children's lawn games and races, tours of the Pennypacker Mansion (once the home of Pennsylvania governor Samuel Pennypacker), as well as food and refreshments. The event runs from 11 a.m. to 3 p.m. at 5 Haldeman Rd., Schwenksville. There is a suggested $2 donation for entry. Information: 610-287-9349 or pennypackermills@....