Australian Saddles

I finally got my new saddle. It's an Australian Saddle with the horn, kind of a cross between a western saddle and an English saddle. When it arrived I took it out of the box and was a little confused... where do you attach the stirrups? I went online and looked it up, There are two metal hooks on the top of the saddle, the stirrups just hang on the hooks. If you fall off the horse and you get your foot caught the stirrups are made to fall off, which I think is a very good safety feature. The next day it was time to try it on the horse, well let me tell you, lol How hard is it to attach a girth to a saddle. We get the saddle to the barn and the horse is all set for the saddle, but between the 4 of us we couldn't figure out how to attach the girth. We finally gave up and used the English for my lesson, half way through my lesson my husband comes back in and says he figured it out, the extra piece of leather I had was an over girth that sat on top of the saddle and attached to the girth. We had a good laugh about that. We put the saddle on the horse and up I got, it is so different from the other saddles, it had a deep seat that seems to sit high at the back and the hooks that held the stirrups where jabbing me in the legs.. every time I went to post it would hurt like @$!$#. I don't think your suppose to post in these saddles, but I figured out how to sit in it and after awhile I didn't feel the hooks. After riding in it awhile and getting used to it, I really started to like it. I think once it is broke in more it will feel a lot better. If anyone has any experience riding in one of these saddles, let me know