wallpaper
John William Godward – Campaspe (detail) (1896)

1024 x 768 | 1152 x 864 | 1280 x 1024 | 1280 x 800 | 1680 x 1050
Amedeo Modigliani – Nudo sdraiato (1917-1918)

1024 x 768 | 1152 x 864 | 1280 x 1024 | 1280 x 800 | 1680 x 1050
William-Adolphe Bouguereau – Biblis (1884)

1024 x 768 | 1152 x 864 | 1280 x 1024 | 1280 x 800 | 1680 x 1050
The blue lady of erosthen.org as a wallpaper:

1920×1200 | 1680×1050 | 1600×1200 | 1440×900 | 1400×1050
1280×1024 | 1280×800 | 1152×864 | 1024×768 | 960×640 | 800×600
800×480 | 480×360 | 480×320 | 400×240
some variations:
Black/white:

1920×1200 | 1680×1050 | 1600×1200 | 1440×900 | 1400×1050
1280×1024 | 1280×800 | 1152×864 | 1024×768 | 960×640 | 800×600
800×480 | 480×360 | 480×320 | 400×240
Red:

1920×1200 | 1680×1050 | 1600×1200 | 1440×900 | 1400×1050
1280×1024 | 1280×800 | 1152×864 | 1024×768 | 960×640 | 800×600
800×480 | 480×360 | 480×320 | 400×240
Green:

1920×1200 | 1680×1050 | 1600×1200 | 1440×900 | 1400×1050
1280×1024 | 1280×800 | 1152×864 | 1024×768 | 960×640 | 800×600
800×480 | 480×360 | 480×320 | 400×240