In order to use TubePress with Vimeo, you are required to register and provide to TubePress a "consumer key" and "consumer secret." This is a one-time setup that is required by Vimeo. If you'd like the gory details behind the reasons for this, please read this blog post. Here's what you need to do…

The final step is to provide the key and secret to TubePress. The procedure for this will vary based on whether you're using TubePress inside a WordPress environment or not.
You simply need to enter your key and secret via the TubePress options page at WP Admin > Settings > TubePress > Provider Feed. Don't forget to click "Save."
In standalone PHP, you'll have to provide the key and secret via the vimeoKey and vimeoSecret shortcode attributes in TubePress. You can pass these into the tubepressGallery function as you would any other shortcode attribute. e.g.