I know this response is late, and the panties you speak of have been sent, but for the benefit of other newbies who might be reading these posts…
As my husband is fond of saying “If up your crack is where they want to be, by god you should let them stay there!”
Of course, he says this because he likes the look of a girl’s panties all stuffed up between the cheeks, not because he’s interested in ass funk.  😉
Miss_Kitty, I have that difficulty all the time – my large outer labia press together and I almost never actually leave deposits of anything (not even pussy juice) in my panties unless I “work” at it. I have to press the fabric up between my folds to collect all the good juices. I don’t necessarily walk around with all that fabric stuffed between my lips, but I must make sure to rub it up in there every so often. If you do this as well, just push the fabric between the buttocks and rub it around your anus and crack, I’m sure the ass-funkiness will develop.
I guess this is why we ladies do smell checks on our products, eh? And also why it’s so important for the buyer to tell us what he likes!
xox
Cherie