Obsidian:
I think ‘‘back to the eighties’’ is most popular right now. Afterwards, I like the idea that the winner decides what the next theme will be! 
clam:
Winners right of course 
- and then, it’s the only prize I can offer - other than the right to ridicule.
Unzul:
“Pride and glory” could be a theme…
clam:
Good one - but too late 
Already announced it - here: http://www.chaos-dwarfs.com/forum/showthread.php?tid=8429&pid=143204#pid143204
But we’ll keep a record winners can take inspiration from.
Thommy H:
The last thing I painted already fits this theme. So I’m done already! High five
clam:
Awesome news - now get it posted
Thommy H:
I’ll post them after I post them in my future army showcase thread. They’re the third unit in a new project, and I want to introduce it properly.
nitroglysarine:
Now i’m so tempted to make a CD with big shoulder pads and labyrinth style - Goblin King hair
"you remind me of the babe, what babe?"…
Fequiil:
I'll post them after I post them in my future army showcase thread.well, i don't think that's allowed...
Thommy H
see, there is a rule that says that it may not be posted before on this forum.
;)
EDIT: found it:
2) Everything has to be painted by you - and painted in the time period where the challenge was given (or at least not shown here before)
clam
Thommy H:
Fine, I’ll post them here one second before I post the in the actual thread.
clam:
It’s allowed - ‘we’ aren’t that strict, you know
I just don’t want to see people digging out old stuff and enter those. We want to see new projects - so as long it ‘unknown’ when the challenge is given it totally okay.
And please remember to post entries in here:
http://www.chaos-dwarfs.com/forum/showthread.php?tid=8429
Fequiil:
Fine, I'll post them here one second before I post the in the actual thread.<-- happy.:hat
Thommy H
G.2:
As far as the idea goes, I’m definately in, but I think I have missed something though…has the painting already started? I’m going back to re-read this thread.
clam:
Yes it has. We are working fast here you see 
Official announcement, rules, FAQ found here:
http://www.chaos-dwarfs.com/forum/showthread.php?tid=8430
And then, the first challenge is found here:
http://www.chaos-dwarfs.com/forum/showthread.php?tid=8429
- but I can see you’ve found us. Great to have you on board
So, I would like to see all general question, suggestions, comments put in here: http://www.chaos-dwarfs.com/forum/showthread.php?tid=8430
And specific for the first ever CDO challenge - discuss them here: http://www.chaos-dwarfs.com/forum/showthread.php?tid=8429 please.
I’ll ask mods to locked this thread - as it’s no longer an Idea