Doglover, people use copyrights to help prevent non approved use of your photos on other sites such as ebay.
At the top of the page click on "Your Account". You will see a new set of tabs appear below that. Click on "Preferences". You will see a list of items you can personalize such as adding a watermark/copyright. Go through the whole list and customize how you see Cubits pages. When you are finished don't forget to click on "Save Your Changes" at the bottom.
You can always redo things until you get it like you want it.