I remember Blake lining the buckets with Dynamat but upon reflection I fear that this is a bad idea for LED lamps. They have a radiator to disperse heat on the rear of the lamp and as that bucket is sealed against the elements we are all hoping that airflow around the bucket is enough to keep them cool. Most times these lamps are mounted in cars where the rear of the lamp is exposed to the airflow in the engine compartment.
Just another heads-up!