As Jym pointed out, having static gifs is not a problem, and I never implied it was. I explicitely mentioned generating gif's.
Sure it's a detail, and if folks feel it's not worth bothering about, then that's okay. I feel that this "let's just leave the details for later" attitude is becoming really pervasise, and the toolkit shows it everywhere.
Regarding PNGs transparency, http://www.libpng.org/pub/png/pngfaq.html#transparency says it does have transparency.
