Nicothin

Animated stars in dark theme. Seamless video background with particles moving around. Enjoy.

Beautiful Dark theme for your Firefox.

This is magic... Dark magic. Cool dark theme with a purple acient. All color params used. New! Build using Theme Creator https://addons.mozilla.org/en-US/firefox/addon/nicothin-theme-creator/

Argon - experimental edition

Thme Creator: Lite, rapid and powerfull add-on with simple UI. Create your own themes in just one click. If you want a bigger solution with animated themes, use the full version.

Meadow wind - light theme.

ForestGreen Theme :)