Pexels - Find the best free stock images about Browser Home Page. Download all photos and use them even for commercial projects.
Sketchucation - Sketchucation is a 3D SketchUp Community for students, professionals, designers, and hobbyists.
Shutterstock - Shutterstock is a provider of stock photos, illustrations, and vector art. The website allows individuals to purchase a subscription and download copyrighted art for creative projects. Read more about Shutterstock.
3dxo.com - 3dxo.com is a great place for both professionals and hobbyists to find some really cool, free 3D models.
Barn Images - Free for commercial use high-resolution photography for your website, blog, app, and any other need.
TheSketchupEssentials - TheSketchupEssentials is a community to get SkethuUp tutorials and help from professionals.