[[File:Firefox-4-Mockup-i06-(XP)-(Silver)-(TabsTop)-(MenuBar).png|300px|left|thumb|Silver - TabsTop]]
[[File:Firefox-4-Mockup-i06-(XP)-(Silver)-(TabsBottom)-(MenuBar).png|300px|left|thumb|Silver - TabsBottom]]
[[File:Firefox-4-Mockup-i06-(XP)-(Royale)-(TabsTop)-(MenuBar)-(BookmarksBar).png|300px|left|thumb|Royale - TabsTop]][[File:Firefox-4-Mockup-i06-(XP)-(Royale)-(TabsBottom)-(MenuBar)-(BookmarksBar).png|300px|left|thumb|Royale - TabsBottom]]
[[File:Firefox-4-Mockup-i06-(XP)-(Zune)-(TabsTop)-(MenuBar).png|300px|left|thumb|Zune - TabsTop]]
[[File:Firefox-4-Mockup-i06-(XP)-(Zune)-(TabsBottom)-(MenuBar).png|300px|left|thumb|Zune - TabsBottom]]