Using bip16 it's possible to take any script and "wrap" it with a p2sh script (has a standard address), so that there's a simple way to accept payment even to more advanced scripts with the burden of setting up the redemption terms moved to the person getting paid.
The decodescript example above shows how it can be used:

run:
The output is :


Note the p2sh address.
The scriptpubkey that is known to have this address type is made out of a push of a hash160 of the redeemscript, and an op_equal.  You can read more on the bip16 link.

You can now run:
And see that :
Which is what is used in the 21 mil. redemption.