How to credit an artist?

An on-line friend and protector of mine is no longer with us, and I'd like to use her profile image for a memorial tattoo. She got it from a book called 'Redwall,' which I'm not familiar with. Do I have an ethical obligation to the illustrator if I use their art? How would I go about compensating them? Would a professional tattoo artist lose respect for me if I made this request? Thanks for your help!

What would you add to this?

Love my first tattoo just stuck on how to add to it, thinking about patchworking in a number of other designs in the same style from the same artist but feel like maybe the astronaut is too big to patchwork around

Picture Question

Would this picture of my dog even be possible as a tattoo

Tattoo placement

I need idead to planing my sleeve, I have a tattoo in front of my biceps, I would like to know, how to plan around, I was think to pick a similar patch of was @Justinsaiyann has

Thoughts on what to add?

Got this tat of a dore piece around my bicep area. Ended up way bigger than I was hoping. What tats or styles would fit with this that I can fill the rest of my arm with?

Sketched some rat-themed drawings to commemorate my rats 🐀 thoughts?

I am a big fan of strong contrast and flowy shapes! I initially wanted to do something more in style of art deco but I found it difficult to incorporate artdeco elements with the flowy-ness of rat bodies

Wittgensteins Beetle in a Box Analogy - what U think? Done by 2020 Tattoo (Germany)

Healed, just Had a little touch up

camelCaseTitle

whyUseWeakMapIfYouGotNormalMap

howIsMyDayGoing

toThinkThatTheIdeaIsTheMostImportantThingButAnyFoolCanRealizeIt