If I scale down what I make a day from one of my sites that got front page on Digg it comes to about $1/day. I make about $10/day from that website and 10% of my traffic is from Digg. Hope that helps.
I haven't made jack from any of those social bookmarking/networking sites. I think less than 2% of my total traffic came from them (that includes blinklist, furl, digg, clipmarks, etc etc)
If you want money from digg-type traffic , you'd better have an advertiser target your adsense ads , so you get payed by CPM.
Very few diggers click ( atleast for me ) but once my site is on the front page CTR has gone upto 25%
Does anyone make Adsense income for Squidoo? They have that coop program where you get paid once every whatever clicks.
No.. you wont get banned for being "dugg" .. I've been on the front page of Digg twice. It produced GIANT surges in traffic - and I still get a few hundred hits per day from those diggs even though it was on the frontpage 6 months ago. CTR was very low - so getting Dugg won't get you any real $ - but it WILL get you hundreds (if not more) backlinks which is far more valuable than the few dollars that you'll get..