[ubuntu] Triple Boot Help Please

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http://ubuntuforums.org – Hello All, I currently have a dual-boot system handled by GRUB. Windows 7 and BT5. I have posted a picture taken in gparted of my partition table. I would like to take space from the Windows partition and add it to the BT5 partition. Then I think I would have to create a Logical Volume in the extended BT partition and Install Ubuntu there. Not really to sure what do and would like some tips/help before I screw things up, I currently love my setup but need that Ubuntu partition to play with all the mainstream apps created for it. Oh and can anyone tell me what that 1.50MB partition is betw (Hardware)