It can be interesting to search for papertoys in other languages. In German google papiermodelle. You will get several links. In Dutch this becomes: papiermodellen. These are plural, single is: papiermodel, or papier model in both languages. See this site for instance: www.papiermodelle.de.
A really big site in Dutch is: www.icebergbouwplaten.nl/ You can however choose to see the site in English. It… Continue
Check out the work of origami master Eric Joisel. I know it's not paper toys, but his work of "organic origami" sure is wonderful. It is unbelievable that this is possible in paper ! I don't add a photo since I don't know about his copyright. Simply Google him.
Also interesting is Richard Sweeney. He makes more mathematical folds, which can be used as scenery.