One of the best ways to make more ISK from missions is to use "mission guides" available on the net. These guides will tell you about the mission, what damage to expect, and possibly how to "blitz" it.
Simply visit the website below and find your mission:
http://eve-survival.org/wikka.php?wakka=MissionReports
The mission reports will allow you to complete missions much more quickly, which means more rewards and more loyalty points.
Eve Survival is no longer up. The Administrator of that site was locked down by an inconsiderate jerk…