NFTs get a lot of coverage in the media these days. There are already a bunch of plugins that let you display them on your own website. The Kredeum NFTs WordPress Plugin is also worth a look. It lets you create your own NFTs and collections. This plugin stores all your media files on IPFS.
This plugin lets you sell NFTs by adding a sell button to your posts and pages with a shortcode. You can also add your NFTs to OpenSea marketplace with a click. Users can associate their collections to Polygon, BSC, Fantom, and other blockchains.