This is a discussion topic for the Ore project, EntityParticles. View the full project on Ore for downloads and more information.
EntityParticles
This plugin allows you to create some simple particle effect. Each effect can be attached to entities with a specified item.
Read the wiki to learn more
You may want install ByteItems for maximal use.
This plugin uses bstats.org which helps me to improve the user experience by collecting anonymous data. You can disable this in config/bstats/config.conf
.