Thread:Sannse/@comment-24015904-20131119180847/@comment-8-20131120193944

it sounds as though you are looking for a slideshow. Although that shows each image in trurn, rather than a set of images. There's more about this at Help:Galleries, Slideshows, and Sliders

I suspect you could get the "multi-image slideshow" effect with a template though, but that's going to take some expert help. The best place for that is the forums. There are people there who know a lot about complex templates, and may be able to help!

Creating a test wiki is just fine. Many people have them, including me :)

Cleaning up generally just means removing any changes that will affect the you using the test wiki again. So that might mean reverting CSS and JS changes (via the history) and setting ThemeChanger back to a default skin. Usually, test pages and templates can just be left.. there's no harm in that, unless you want to recycle the name for some reason - and if you want to do that, you can just delete

I hope that helps