Any advise for bad thoughts from past annoying situations

[Zen]

Anything that keeps you in the present moment.

https://forum.enlightenedstates.com/t/the-silent-mind/34915

(Paid, smart field)
Or

The Mental Mandala

[The Mental Mandala] View this post on Instagram A post shared by Sapien Medicine (@sapienmed) The Mental Mandala, an energetic mandala to help clear and focus the mind through a meditative gaze, focus on the middle and be placed in a place where you can observe your thoughts in a detached way and over time gain a measure of control.

(Free)