Required Character: Jar Jar or Darth Maul
Death Star Plan 1 (Jar Jar): From the start, head to the left. Follow the path around to find the plan sitting in the far left corner.
Death Star Plan 2: From the drop off. Sitting on a small lava bank.
Death Star Plan 3: From the drop off after the initial jumps, head around the find the plan sitting at the end.
Death Star Plan 4: Before jumping down to fight Anakin the first time, jump to the small platform and follow it down to find the plan.
Death Star Plan 5: For some strange reason there is two plans here. Both are easy to get, sitting on lava banks before the final jumping area before Anakin.