hmmmm90% of WP plugins are useless! A little PHP and you have the same results. Lot of codes are Free and you find them at Github. Some plugins even are able to suck your juice. Envira and Woocommerce. Nothing more!
hmmmm
But all the reviews I read from World Class WP pros......... says TO BUY PLUGIN
Tag them and make use of dates. Now Google show you the favicon and some logos. Soon rich snippets will require thumbails also. If you opt for listing but grids, hovering the link you better get a thumbail (image or video). Google will first test it for Adwords.And.... what's the best get images indexed by google?