Vignette

My dear brother (and my personal critique) who is a more "in" and trendy photographer taught me a trick which i find it to be pretty cool. so share share with fellow fish photography enthusiasts. it's called vignette. there are several ways to do it, and u can find them all on youtube. hope u can see the subtle difference as i do. cheers!

using adobe photoshop to create vignetting is one of them.