Here is our Space Eagle Total Destruction video walkthrough for Angry Birds Space Pig Dipper level 6-2. Send the Sardine Can under the boat, slightly to the left. Debris should fly to the right to detonate the tnt.
If you have an alternate strategy please feel free to leave a detailed comment below.
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Land the Sardine Can on the slanted wood on the right side of the boat. Also works if there is a little bit of space between the slanted wood and the SC.