Group Sites or Social Network Sites. There are usually dedicated sites for different groups depending on what they are doing. Social Networks are much broader, but groups within them like scrapmoms, scrapsisters, and so many more usually share their ideas and projects. It is up to you whether you will join any group if you want to get more details and interact with the people within the group, but you will get templates in there.
All you have to do is to download these templates online and have them incorporated in your scrapbook. That, definitely is an easy task. You have many designs to choose from and even themes that would help you conceptualize what you need for your scrapbook. So, what are you waiting for? Go browse the Internet, so you would be able to enhance your ideas with a lot of scrapbook templates available for you to reference from.