Been a long time for changing Avant window Navigator theme, found really cool collection on deviantart, you will find many themes appropriate for your desktop and installed themes you have even it was dark theme or bright theme.

How To install AWN Themes:

Simply open avant window navigator preferences then chose themes tab then press install and select the downloaded theme from the located directory.

or, another way: paste themes to this directory ” /usr/share/avant-window-navigator/themes ”

so here we go

1. Plastico theme