Royalty-free shamrock images can be found online at Shutterstock and CanStockPhoto. Both sites have real, computer generated and handmade images of shamrocks available for download.
Both sites have multiple sizes, image types and licensing options to choose from when downloading shamrock images. Users can save their favorite images on the sites to more easily find them in the future, and both sites suggest similar images when a user views an individual image. Key information, such as the person who owns the copyright, other keywords and number of downloads, are available for most images. The images have watermarks to prevent unauthorized usage.