hi there
I just started to make a blog here, but seriously, beside writing a blog and change my account do I don't know anything! :S
How to make a nice backgrounnd and where I have to do that. How to change colors etc. I'm a disaster:S Could you guys help me a little ?

Have you read this topic?:
http://www.createblog.com/forums/index.php?showtopic=190412

It tells you how you can change/edit your profile. It helped me a lot. Most of it is just editing CSS if you are an ametuer web designer, you should be fine with all that.

If you are at a loss with other forum stuff, you can check out the Createblog newbie guide:
http://www.createblog.com/forums/index.php?showtopic=93816