Long-time player, rare-as-bigfoot poster here, just thought I'd share an idea I had. It's fairly simple, easy and anyone can do it and enjoy it - personal flags for you (or whatever group you associate with in SMP, etc).
For example, this is a flag design I erect at every major post/town/fort/whatever I build in World2:
The idea is to make it 10x8, with whatever design you can stuff in that space. Even just using basic mats (dirt, sandstone etc) it's pretty fast and easy to erect one of these.
Thanks, I wasn't aware you could. I just looked into how to do that, and will update the pole accordingly. (...and the hanging lights I've got in that building in the background...they look so ugly with "fence/block" alternating segments... )