I'm a first-time rider and I think this is all great advice on adventure touring for females! I second the diva cup. You can ride much longer with one on, and it's cleaner and a better investment in the long run.
I'm also interested in what other female-specific riding issues people encounter. I'm traveling to parts of Mexico (Tijuana & surrounding towns) soon and wanted to get someone's take on what it'd be like traveling as a female.