What forum style/theme do you prefer? I'm using the "Ambient Fluid" one atm, I would say a cool part is profile page customization and text color, reminds me of pre Google+ YouTube :D
https://i.imgur.com/XcicFU3.png
https://i.imgur.com/np4sCDw.png
Thread theme song:
https://www.youtube.com/watch?v=oKqW-BebEUo