Edinburg is home to the Edinburg FLAG. Find it at 110 North Main Street.
They accept art by mail, mail to: Free Little Art Gallery c/o Feng Shui Mandalas, PO Box 19, Edinburg, VA. 22824
Find them on Instagram at:
Richmond, Virginia is home to the Little Free Art Gallery Sycamore House. DM them for details. Looks like they accept art by mail.
Free Little Art Gallery Willis Street can be found North side of Willis St, Richland, VA. Find them on Instagram: