Cut the picture out and place it on you notebook to see where you want to have it....I like to place things at odd angles
You can wait to glue until the end so you can place all you cut outs where you want them with messing up
Finally after you finish with your collage you need to tape everything down so it will give your notebook this glossy finished touch look and you will not rip or tare any of your cut outs in the future. Have fun!
Here are some I have down last year:
I drew and glue and taped it to my notebook, I saw these guys on a t-shirt somewhere