Well, you need to learn the php basics of working object orientated. There are also some typos:
`<?php $album= new Album($_zp_gallery,"dfm091024divinae",TRUE); ?>`
The parent gallery to be passed as the first parameter means the gallery object which is stored in `$_zp_gallery` on the theme pages. It is NOT the parent album! In Zenphoto terms the term "gallery" refers Zenphoto in total, not to an album (see the glossary, too). Note: If you trying to create an object from a subalbum you need to pass the full name with the parent folder like `toplevelalbumname/subalbumname` since you can have albums of the same name within different albums.
Also `getAlbumThumbImage($album)` does nothing. You have either to do `$thumbimage = getAlbumThumbImage($album)`, then echo the variable or `echo getAlbumThumbImage($album)`. Note that if no album thumb is set this function returns an image object.