This anonymous article on HereNow4U briefly discusses the origins and history of yakṣas and yakṣīs in the Jain faith. There are some photographs of a few of the popular yakṣas and yakṣīs and other deities.

http://www.herenow4u.net/index.php?id=87683

Although this 19th-century yantra is damaged, the richly bejewelled figure in this drawing is clear. Inside his body is a diagram intended to help devotees meditate. The Museum of Fine Arts in Boston, USA, provides this zoomable photograph on its website.

http://www.mfa.org/collections/object/yantra-149357

Based in London, the Young Indian Vegetarians group promotes a vegetarian lifestyle and the ending of cruelty to animals. The website provides news of events and activities, useful links and selected editions of the Ahimsa newsletter to read online. 

https://www.youngindianvegetarians.co.uk