lol.
it looks good

she should be in firmly,yes, so she's well supported. If she's leaning or flopping, it's too loose. If she falls asleep, then that's generally a good sign! How does it feel to you? comfortable and secure?
For the head, you may find you can experiment a bit when tying to leave a small amount of slack in the wrap so you can tuck her head in. It may be easier if you do the carry with the straight bit on the inside.... um, cross carry - can't remember different names. I don't think it matters whether you tie front or back.
She should be high enough to kiss the top of her head

If you're careful about it, you may be able to recline on the couch with her on there....