mannequins

Q:

1. Is it permissible to use mannequins in order to display clothing in a store?

2. Is it permissible to use mannequins to display clothing in order to take pictures of the clothing for advertising purposes.

NB: mannequins are available in different variants, male, female, with face, headles, with or without the lower torso. Could Mufti Saheb please advise the ruling with regards to each option.