There are some of the dailies which can be completed as a group.

Skettis has the bombing run, and the escort quest.

BEM - Kill 15 demons. Bomb 15 rocket things. Wrangle 5 Nether Rays. You can also do the simon says thing, no group credit but it's fast and easy.

NW - Kill 15 flayers and 5 ravagers. Booterang. Poison 12 orc camps.

I think that's about it for group credit on dailies, if you do those 9 you'll be making 600g or more with 5 toons. Seeing as you can do these in 2 hours or less, I had it down to about 1hr with War/Sham, it's very good money per hour.