If you are interested in earning commissions on the products you recommend to your clients you can add in your own affiliate link to any item you upload or clip to your own personal product library. Your library is 100% in your control and you can add affiliate links to each item you upload or clip with the browser clipper.
You can grab the Browser Clipper here >> https://designfiles.co/bookmarklet -- this will make it quick and easy to save images from any vendor website (that you are setup as an affiliate with) directly to your client projects.
While clipping an item, you can adjust the URL for any vendor you have an affiliate link with -- as shown below:
When editing a product in your My Library, you can also adjust the URL for any vendors you have an affiliate link with.
From your My Library page > https://designfiles.co/items/library -- click the [ ... ] button beside the product's name and the click "Edit Product Details".
Designers typically use one of the following affiliate networks: