Maybe you dislike your theme header images and want to change it to something look cools. So here the tutorial. This tutorial for kubrick/default themes only. I’m not sure if it’s work with other themes. Try by yourself.

1. Create your own header images. Your header images size must 760×200. You can download the sample here.
2. After finish creating the header, please upload it to blogmas. login tu blogmas and go to “Write” panel.
   
3. Scroll down until you see upload section. Please use this to upload your picture. See example below.
   
4. After that go “Manage” > “Uploads”. and then klik on the images that you already upload. See picture below.
5. You will get page like picture below. Copy the header link.
6. After you get the link, go to “Presentation” > “Themes Costumizer”. Find “#header: background” and replace the link inside the box with your own header images link. See picture below.
7. Lastly don’t forget to click “Update Option” button. Walla…now you header will change. See your self.