Multiple sliders on one page images not loading

Hi all
I’m new to all this so please bear with me.

I have managed to get several sliders on one page, the issue is that when you first load the page all the sliders are ‘scrunched up together’ and you have to refresh the page to get the images to download in the correct place.

As mentioned I am a newbie and any help would be much appreciated.

The page in questions is at:

Many thanks