Download a collection of (photo) items as a zip file.
Adds cart action to download contents in a zip file. Requires external zip binary.
To download files in a zip...
The zip binaries for many systems can be found here.
Allowing the modules to zip archives without depending on the zip binary like in "Plogger", another (and much simpler) web gallery tool. I'm not sure how they do it, but it works on a server where Gallery doesn't because it cannot access the zip binary.
It should be possible to include subalbums when adding an album to cart. As it is now you must enter every single subalbum and add it to the cart. This is a big hassle if you want to download all files in a specific album that contains subalbums. See forum post about this here.