I would simply create zip files for each image. It also saves bandwidth But maybe you want something more sophisticated
thanks for the link !
Except when you use browser specific stuff like -moz-blablabla or -webkit-blablabla, it doesn’t validate
bump ! I have another question. Can we choose “yes” in “valid html” when submitting a theme even if the CSS doesn’t valid (because of CSS3 ) ? Or is it HTML only ?