The Taxonomy Node Filter module is designed to present an easy-to-use block interface for narrowing down taxonomy listings to find topics that are tagged by multiple terms.
This module helps to create custom groups of views that want to be rendered in the same page and allow to create custom filters that could easy be mapped to views exposed filters.
The Nodereference Widget Thumbnail module provides a configurable way to associate an
image from a cck imagefield to be used as a thumbnail for a nodereference autocomplete