(Theme1181 Author: Delta) Home Page Slide Show Images

Hello,

I am totaly new to WordPress and web design all together. I have started to create a site using a premium template I got off of template monster (theme1181 – author Delta). I have been uable to figure out how to attach images to the slides show on the home page and gallery page (I think it is the jquery plugin?). Is this something that needs to be modified in the style sheet? If so how do you do it?

Here is a link to my site:
https://mhenryportfolio.com/

Any help is greatly appreciated,

Total Noob