Yeah, once a character gets the DOFFs that he needs to keep stop doing the little assignments that give white DOFFs. Also stop using the "Junior Officer" packs. Those are whites with an occasion green thrown in.
Doc Lee will be checking out the F2P today two times. The first around 4pm (GMT+1) or 10am EST. The second around 10pm (GMT+1) or 4pm EST. I'm not sure of the exact schedule of events, but if you see me online give a shout. Doc Lee@Rocketeer_7