Which BANNER hack have you gotten the most use out of?

[pcoskat]

I'm currently looking at 3, but would like to hear additional input as to how others have used them:

Banner ad on forum Home
https://vborg.vbsupport.ru/showthread.php?t=63994

Add a banner image to each forum
https://vborg.vbsupport.ru/showthread.php?t=61555

[Adv] banners Hack
https://vborg.vbsupport.ru/showthread.php?t=73847

[datruth55]

I'm currently looking to add one of these as well and was wondering which one is the most effective.