Our Shopify app generates lay-flat product mockups, which you are free to use as you see fit (including outside of Shopify).
We have also launched our free to use Mockup Generator to create previews of how your artwork will look on a range of products. For our printed canvases and framed art prints, the mockups include a range of backgrounds and roomsets to show how your artwork will look in a real-life setting.
High-resolution copies of the generated mockups can then be downloaded for use in your store imagery, in adverts, or anywhere else you require.
A few of our customers also use Creative Market to generate mock-ups in Photoshop or InDesign.
If you’re looking for mock-ups featuring real people, PlaceIt has a great selection of photography and has recently started offering video.