What are some good plugins for my online store?

Hello! I'm not so long ago in e-commerce, and now I'm building my site on WIX. I chose it because I studied online tips, and a couple of my friends made websites with it.
I'm not a developer so I need some advice. I want to add extra features to my site and decided to use plugins. It was easy to choose a sitebuilder, but it is very difficult to choose plugins, as there are too many of them on the market. Can anyone recommend:

- A plugin that makes pictures publishing on a website more...

What are some good plugins for my online store? WordPress ...