I cant figure out how to quote messages on this forum..
But I agree, the pictures were a little decieving. But it was in fact a 2x4.
And while we cant see the damage cuased by the bullets, I was more concerned with penetration. Both bullets appeared to tumble judging by the holes in the jugs but I still believe the larger size of the .25 would make a larger hole.
I was originally doing to do the test with ballistic gelatin, but didnt want wood chips polluting the gelatin.