The best options to use for Self Adhesive Photo Papers depends with you have purchased,
Gloss
Matte
High Gloss
We recommend for gloss you select Semi Gloss or Gloss and for High Gloss use the best gloss option avaiilable to yuor printer.
As regards Matte just select Matte on your settings.
With our Self Adhesive Photo Papers you just print as above then peel the back off.
Any Issues open a ticket,