With the way we currently have the slideshow functioning — each slide must correlate to a page/post within your own WordPress site.
However, you can create a page Create a page using the “Redirect Page” template.
Create a page (not a post), just like you normally would. But you don’t need any CONTENT . The page does not need content in the body section of your new page.
Just assign Assign a featured image, which will be used in for the slideshow.
And then, on the RIGHT SIDE of your screen — choose Select the “REDIRECT PAGE” template in from the page template dropdown Template dropdown located in the right column.
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Next – put Paste the URL you’d like the slide to actually go to external site URL as a custom field called “redirect”named “redirect.” Custom fields show up BELOW the big large content body field.. (see screenshot below
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The slide featured image of the new page will be added to your the slideshow — and it will send users be linked to the redirected page when they click on itexternal site.