You can't, not "properly". It's a good way to get your solicitation deleted and potentially even get your Yahoo account closed, or as they say "suspended." (That term is misleading, because it sounds as if the suspension is temporary. It's permanent.)
You don't. Any attempt would be solicitation, a violation of the YA Terms of Service.
A question and answer site is the wrong forum for your request.
study the world of CROWN funding and maybe help starting one?
