Portfolio images not displaying

Hi guys,

I have a problem with my portfolio page. My portfolio page was displaying the three portfolios that I had s far, had an image there with some text, when you clicked on it, it opened nicely. I have been installing some plugins and ever since than, the main portfolio page stopped to display images, messed up the text and add the following:

‘It is a long established fact that a reader will be distracted by the readable content of a page when looking at its layout. The point of using Lorem Ipsum is that it has a more-or-less normal distribution of…’

Can’t get rid of it. Any help please?
My site: https://www.apache-entertainment.sk/podujatia

Also any advice on how to remove the ‘Portfolio image item’ when creating a new portfolio? Once I upload one I cannot get rid of it.

Thanks a million.
Juraj