The next version of the Custom Field Taxonomies plugin is now ready for testing.
From the changelog:
= 1.5 =
* added 'meta_orderby' and 'meta_order' parameters
* added 'URL key' and 'numeric' attributes for meta taxonomies
* ignore sticky posts
* added contextual help to admin page
If you want to take it for a spin, go download the development version:
Let me know if you find any weird behaviour.