Flag of Croatia from the Open Clip Art website (official 1:2 ratio).  Please use Image:Flag of Croatia icon.svg (of 2:3 ratio) for icons and smaller resolutions (better visibility in comparison to official 1:2 ratio).  Contributors from commons: Nightstallion, Elephantus, Neoneo13, Denelson83, Rainman, R-41, Minestrone, Lupo (listed in the order of real contribution to Image:Flag of Croatia.svg).

From GNOME version of Nuvola. May be included in the PNG version under Nuvola/apps.  Edited for easier deriving.
Flag_of_Croatia.svg
Mplayer_blank.svg
Mplayer_blank.svg: *Mplayer.svg: David Vignoni
derivative work: Beao
derivative work: Beao