Rated 4 out of 5 stars

Make the flag more minimalistic, a glossy flag looks kinda outdated.

And then you'll have the perfect add-on

This review is for a previous version of the add-on (4.1.16). 

on my todo list

Yeah, switching to a new bigger and better looking flag icon set is on my todo list. One of these days I'll get around to it.

In the meantime, you can switch to the other built-in flag style via the Flagfox options if you want to ditch the glossy ones.