For bright and vibrant decorations, durable and resists sunlight damage, best places to mount are near a light source.
Imaged is a 30x40 metal print, semi-gloss (for fewer reflections)
Best Fit Sizes for most landscape images (3:2 aspect ratio):
16x24 - $250
20x30 - $380
24x36 - $540
30x45 - $700
40x60 - $1,570