I think he wants
1) player limbs in brick form
2) a feature similar to loaddup but without needing to duplicate anything.
I'd agree slightly on the multiple brick placement thing, such as, you could make a thing, like a house, then duplicate it. Then, in the blockland folder, move that blockland dupsave over to the brick section, then take a picture of the save, then combine the two to create a "brick" in the inventory that you can then place. A new section of the brick menu could then be added called "multibricks" and any houses, mechanisms, landscapes you dup, then make a "multibrick addon", they would appear under that section. This could be a good alternative to posting save files to houses and small stuff like that.