Yeah, you can't choose to use community icons - they appear on the comm's profile, on the comm's main page if included in the style, and on flists as I described. But they don't get attached to individual posts in the same way that user's icons do.
On LJ it's part of the style customization, at the bottom here: "Use community userpics instead of poster's userpic." (It took me forever to find that, btw. I have a feeling it was in a much clearer location and better worded when I originally set it years ago.) Since it's part of the style options in LJ, it's possible DW hasn't implemented it yet? I hope they do though. Might be worth me asking in the news post.
Non-default icons don't have any particular use other than being shiny, and being available if and when the mod decides to pick a new default!
![[personal profile]](https://www.dreamwidth.org/img/silk/identity/user.png){kind=small}
no subject
Date: 2009-04-30 12:11 am (UTC)On LJ it's part of the style customization, at the bottom here: "Use community userpics instead of poster's userpic." (It took me forever to find that, btw. I have a feeling it was in a much clearer location and better worded when I originally set it years ago.) Since it's part of the style options in LJ, it's possible DW hasn't implemented it yet? I hope they do though. Might be worth me asking in the news post.
Non-default icons don't have any particular use other than being shiny, and being available if and when the mod decides to pick a new default!