Building New Garage-Need Ideas

I just finished my 36X40. I dug footers around outside and two runs down center for future lift using backhoe with 24" buckets so I am wider than that. Poured slab then blocked up 3 blocks high and used 8 ft studs. I had 36 ft wide trusses built 12/12 pitch then going to 5/12 on sides to match my house. Trusses are made like tray ceiling in center which adds 2 ft clearance so the outer bays are 10'3'' and center bay is 12'3" high. Gave me a room upstairs 11'5"X40' with stairs coming up in back of building. I have pics but still learning how to post them,Joe