I placed it in Beginners, since it‘s a Guide meant mainly for beginners and could technically be seen as a discussion, which would pretty much fit it‘s description and since there was already the Guide for Beginners pinned to the top, i thought it would be the best place.
Gallery didn’t really fit, since it‘s description goes more in the direction of Software or similar.
And Community also doesn‘t really fit the goal, since it‘s different from it‘s description.
In Short, i‘d say Beginners would be best, but i‘ll think about it a bit more and then we‘ll see 