DangOS

These are not Dangos, they are the main 4 types of Porings from "Ragnarok Online"
Notice the lil dots comming out of the head, lol the Dangos from "CLANNAD" don't have thoes.

I've had this for a wallpaper for quite a few years, just this is a hell of a lot better quality than what I had ^.^

No, I'm pretty sure these are supposed to be Clannad dango. What you're thinking about looks to be a very similar wallpaper: http://konachan.com/post/show/14251 I guess this might be some sort of alteration of that image.

Ah ok.
I just noticed the differance in eyes & no mouth on them.
it's a pretty bad edit, becauseDangos don't have that things comming out of them... but the

Poring(Red), Poporing(Green) Marin(Blue), Drops(Orange)

do, which thoes are the names of the origionals of thoes 4 colored Ragnarok Online monsters.

lol.

This is pretty much fail since the person who edited it didn't edit off them droplet things on top of the heads >.<

Windangows.

i have the one with porings, it looks a lot better