I personally like paper modeling very much and i enjoy making some in my free time. I also made a list with few site i like to visit and check for new paper models. I decided to show my list which i try to update very often.
Here is my list of links to websites providing paper models.
http://www.rigbypapermodels.com
In memory of the man you created die-cut paper models, Wallis Ridgy.
http://papercraft-world.blogspot.com
One of the best blogspots about paper models. Great!
Paper Craft Magazine
Very prety paper models you will enjoy. You can see the gallery and excellent ideas about paper models gifts.
Yamaha offers beautyful papercrafts. If you like motorbikes you will love this site. But this is not the only reason. You can find animal papercraft and much more.
http://www.papercrafty.com
Excellent place to find paper models. Here you will see unique papermodels.
Beautiful paper crafts and the best...Everything is free to download!!!
http://papermodels.net
Amazing paper models you can search and admire.
http://www.papermodels.at
Astonishing Papermodel Buildings (Historical and Fantasy). You will love them. Most amazing buildings of the world are here.
Disney Experience
Excellent. Offers a lot of papermodels. You can view a list of paper model buildinf tips which you will find very useful. You can apply to newsletter and receive informations about new paper models.
Car Paper Models
If you are keen on cars you must visit this site. You will find every car paper model you are looking for long time now. The most cool car paper models are here!