I'm glad this is helpful. I love The Body Keeps the Score. Author Bessel van der Kolk is originally from the Netherlands, in fact!

Yes, there are a lot of therapists combining IFS with such practices. A Google search for IFS + (any of these terms) will probably be fruitful.

I'm an art therapist myself and teach people how to integrate solo IFS and art therapy in my 9-month Soul-Led IFS mastermind which involves live 1-on-1 guidance from me in learning how to do IFS on yourself - https://seekdeeply.com/mastermind One of the important ritual steps involves the body, so that we can do IFS with wholeness rather than splitting off from our physical selves.

Susan McConnell has a well-received book all about IFS and somatics https://www.amazon.com/Practitioners-Guide-Somatic-IFS-Therapy/dp/1623174880