The ShortCode :
[videogallery id=foodwishes square=true borderwidth=0 num=12 w=167 rounded=84]
Example 2
The ShortCode :
[videogallery id=ClipTravelWorld square=true borderwidth=0 num=12 w=167 rounded=13]
In short, no rounding : 0; total rounding (circle) for square=true will be w/2.