I'd go a different route actually, skip the porn. Get a "sexy question" book like this one: https://www.amazon.com/dp/179911032X/ref=cm_sw_r_cp_apa_i_07ILDbGHSB7ZR
They're a series of questions that you and your wife, girlfriend, etc. discuss. The questions range all over the place, and going through them on a weekend trip got my wife hotter than a Mexican swamp. Also, led to our first FFM.