I was under the impression that it's near impossible to make a long detailed tease with HD photos because it all has to be hosted. Making an offline tease for TeaseMe or GuideMe allows a huge overall size
To be honest I don't know either - I've not spent enough time with the editor to really ...

Sounds to me like you could do that with the Milovana flashtease system, maybe.
Is there anything in particular you're looking for which you can't do with a flashtease?