HELP...!! Promo Tools..??

Xcellent-Models

Hi All..!!
re: Promo Tools
I'm New to ModelCentro, I can not get my head around what they want.?

Zipped Packages..??   Don't know what they want..!
Free Hosted Galleries..??  

Can someone explain exactly what they want for each and how you go about it please.?

Regards
Tony