Gentoo Linux boot screen

1600 × 1200

Ubuntu Lucid Lynx boot screen

1536 × 864

Ubuntu Linux boot screen

1024 × 768

Ubuntu Linux boot screen

1024 × 768

Slackware Linux boot screen

1680 × 1050

Slackware Linux logo

1600 × 1200

Linux Tux mascot wallpaper

1024 × 768

Tux the Linux penguin

1024 × 768

Tux the Linux penguin

1280 × 1024

Tux the Linux penguin

1680 × 1050

Tux the Penguin — Blue, Neutral

3840 × 2160

Tux the Penguin — Brown, Neutral

2560 × 1600