Generally, to show a larger bulge you need to go a little snug. Incredibly large and loose underwear just leaves you hanging. You kind of need to place everything in a pouch so that everything is centered and on display.Think of the Calvin Klein ads. Snug underwear makes things look more impressive. Also, click around on some of the members, there are a couple of guys who wear string bikinis, athletic pouches and that effect makes everything look gargantuan. | 
