After much bit borrowing I've found a bit that my horse seems happy with.
She seems to be very happy with a Kimberwick bit with the slots for the reins. I tried a style of kimber. with out the slots, but it didn't seem to work as well.
So now I've been trying to find a kimber with reins slots for her. Some of the local tack shops carry them, but they want $40 to $60 dollars for them (sadly that's a little bit out of budge for me) , and I'm hoping someone on here has one laying around that I can either have or borrow until I find one more within my budget. She takes a 5 inch bit