Long comments are the bane of skin developers. The jAlbum model has always been "photos, with perhaps a short caption." It's never been geared towards "The Great American Novel, with an occasional illustration."

You might want to try one of my skins - I never let the text overlay the image, period. That does mean that the image gets smaller as the text gets more voluminous. If you want responsiveness, there's no magic.

The lightbox skins, like Neptune, do eventually run out of room, and things get ugly. The slide page skins, like Mercury, are better able to handle verbose comments. And one option in Mercury is geared especially to "lots of text:"

https://jefftucker.jalbum.net/skins/mercury/sidecaptions/

And Jupiter has a slide page option that keeps the image responsive to the viewport size, but lets the caption create vertical scrolling on the page, if needed.

Thanks for the suggestions. I ultimately went back to FancyBox which does a good job "outside" the image. I will take a look at Neptune and Mercury as I do like to add text. Feel free to look at my album: https://jalbum.net/a/2116850
Still learnn' but I'm a slow learner.

Just a reminder, if you need support for FancyBox you will need to contact the developer directly, not via the ‘Other skins forum’.

What is your definition of "long"? I sometimes use long comments, they show up fine. Example

The comment is:

What effects how it looks is the screen size of your device, watching on a tablet or smartphone will look awful even with a shot comment like: "My Cat".

For me Tiger shows comments, even long ones, pretty good.