password protected galleries with thumnail view

[HappySmugger]

Greetings,
Could you please tell me how I can setup password protected galleries with thumnail, like this person does: http://sensei.smugmug.com/Friends

Thanks!

[Andy]

Greetings,
Could you please tell me how I can setup password protected galleries with thumnail, like this person does: http://sensei.smugmug.com/Friends

Thanks!
In the gallery, choose photo tools>feature photo and then you have an all-time thumbnail for your passworded gallery :thumb