To support them via Patreon: https://www.patreon.com/Deriaz
To buy their art stuff via RedBubble: https://deriazironfist.redbubble.com/
(source for Patreon & RedBubble links: deriaz FA profile-page and their Twitter on 2022 May 7)

About their furrynetwork: link source https://twitter.com/DeriazIronfist/status/828298061428490240
and on 2022 May 7 latest post to FN was uploaded 2018 (a 2018 July tweet says "...I think I'm also giving up on FurryNetwork from here on out...")