How can I embed Video or Sound

Ignite gallery does not have the function to upload videos to the gallery. But you can embed videos from other hosting sites like youtube or soundcloud. To embed media from a hosting site, locate the embed code on the hosting site, here is an example of the embed code from youtube:

To enter the embed code to the gallery, go to the manage images page for the gallery. Choose to edit the image details, then at the bottom, paste the embed code, like this: