yin-yang symbol on dark background

1280 × 960

No Gods No Masters flag

1280 × 800

Anarchist Symbol — Black, Neutral, Minimalist

1440 × 900

No Gods or Kings logo

1680 × 1050

Venom Symbol on Dark Background — Black

1250 × 800

anime character with mask

1920 × 1200

Guy Fawkes mask in darkness

1920 × 1080

yin-yang symbol with glow

1280 × 1024

skull and crossbones in dark corner

1024 × 768

Pirate flag on dark background

1200 × 750

White Clouds on Dark Background — Black, Calm

1920 × 1200

White Clouds on Dark Background — Black

1920 × 1080