thumbPosition

type: String

default: ‘center’

Positions the thumbnail image inside it’s container. Works like the CSS background-position property, f.ex ‘top right’ or ‘20% 100%’. You can use keywords, percents or pixels. The first value is the horizontal position and the second is the vertical.

Read more about positioning at http://www.w3.org/TR/REC-CSS1/#background-position