I use a red bottle jack from HF. It works well and doesn't take up much room. I bring a little big of Wood with me on the trail in case I ever need it.
For installing the spare, I use my legs just like when picking up a bale of hay above your waist by using your knee/thigh. (my back is trashed btw so I must use all the momentum I can get these days)
Thanks! Yup, I get that... I was surprised it's an awkward 60lbs. I guess I need to work a bit harder at the gym if I want to play on the trails.