Have custom backgropund image point to a .cgi file vs image

I am trying to figure out a way to have my custom background image randomize with each sreen refresh as opposed to a single static background image. So in the admin area appearance -> background and choose an image from my media library, I could instead, via a child theme, edit the code that does this image choosing to instead point to a /cgi-bin/photorotatrion.cgi perl script that will do an image refresh/rotation? The cgi script I am referring to is an old but functional simple image rotation script that I used to use when I hand coded static HTML pages.

Is this possible?

• This topic was modified 4 years, 3 months ago by songiuno. Reason: spelling errors

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