To have your own logo / banner, follow these steps:
1. Upload your picture in "Manage images". Make sure that the option "Resize image" is DEACTIVATED!
2. Go to "Personal Settings" and activate the "Advanced design settings".
3. Click on "Edit design". A new option should appear: "Header-picture".
4. Choose the image you want to use as your new logo.
5. Make sure that the image you uploaded have the exact sizes of the former banner. You can find the banner sizes here:
http://www.own-free-website.com/board/viewtopic.php?t=199
NOTE: This feature is not available in every design!