By John Gruber
Glyphs 4: Create fonts, icons, logos. On your Mac.
When you save a picture to your photo roll from email or the web, if the picture is larger than the iPhone display (480 × 320 pixels), the iPhone displays a scaled-up thumbnail rather than a scaled-down version of the large image. Here’s another description of the problem, with more examples, from Scott Johnson.
★ Friday, 21 November 2008