You call that fire bomber? Now this is a fire bomber...
http://www.youtube.com/watch?v=mXSwypIGWGY
747 Supertanker with a capacity of up to 94,850 litres.
Can dump water or fire retardant for a distance of 5km! Was used for the first time to fight fires in California and Spain in 2009.
http://www.evergreenaviation.com/supertanker/index.html