Hello, How can I display a tag cloud with my tags? Now I just get 4 tags displayed in gallery.
Thanks

You'll want to add a printTags() call to your template where you want to have the tag cloud displayed. Usage can be found here in the documentation:

http://www.zenphoto.org/documentation/functions/_template-functions.php.html#functionprintTags

Printtags does not print a cloud. It is this:
http://www.zenphoto.org/documentation/functions/_template-functions.php.html#functionprintAllTagsAs

Or this plugin:
http://www.zenphoto.org/documentation/plugins/_zp-extensions---tags_from_album.php.html#functionprintAllTagsFromAlbum

Ah yes, was going from memory, should have taken a better glance at the documentation I linked, lol.