<?php if (function_exists('tclTaxonomyImage')) tclTaxonomyImage(NULL,'thumbnail'); ?> to display image <?php if (function_exists('tclTaxonomyThumbUrl')) echo tclTaxonomyThumbUrl(NULL,'thumbnail'); ?> to get URL

The WP Multiple Taxonomy Images Plugin allows you to add multiple images to a term. It supports category, tags and custom taxonomies.

Add an image to a category or taxonomy. Display a category image using either a template tag or shortcode.

An easy, customer/user friendly way to upload images and attach them to your content. Optionally sets the featured image. Sometimes you just want to upload a file to a post/page/custom post type/taxonomy/etc.. This plugin allows you to do that with a simple user friendly interface. No popups, no additional page loads, no extra work… just a simple upload button on you post/page editor. You can have as many uploaders per page as you like. It even creates shortcodes and widgets for your use so no coding required!

A powerfull widget for displaying categories with image.

Add Custom Image To Your Category / Custom Taxonomy Field With Advanced Category and Custom Taxonomy Image Plugin.

Have featured and cover images for tags, categories and custom taxonomies