From the geeks at Gizmodo:
Estimates of how much of BP's oil is gushing into the gulf each day range from 25,000 to 40,000 barrels' worth a day. Here's what the low end of that looks like stacked to the heavens.
The animation was made using the Unreal Development Kit, and simulates 25,000 barrels stacked 15,000 feet into the air, then collapsing group by group.
All of that. Full of oil. Every day.