WP Custom Taxonomy Image Plugin allow you to add image with category/taxonomy.
Simply add the desired fields by going through WP-admin -> Settings ->Taxonomy Meta
Add the ability to attach meta to the WordPress categories
Add the ability to attach meta data to the wordpress categories and terms. It can be used to add meta to custom taxonomies (terms).
Easily create plugin/theme settings pages, custom fields metaboxes and term/user metadata settings.