After seeing a similar topic on other websites I thought we should have a go.
My favourite ad was the old "Hovis" bread ad, where the young boy is free wheeling down the cobbled street accompanied by that classic tune. Puts me in mind of Sunday nights as a kid, "by gum those were happy days"
And my worst advert without a shadow of a doubt, is the one for "safestyle" double glazing, the one where the balding guy keeps shouting "buy one and get one free, I said BUY ONE AND GET ONE FREE"