Bikinis y rock (1972) has bikinis and it has rock — Mexican bands playing covers of rock hits in english. It also has telenovella queen Verónica Castro, former vedette Olga Breeskin and Manuel "Loco" Valdés. The director also wrote Santo y Blue Demon vs Drácula y el Hombre Lobo and La momia azteca Watch the rest on YouTube or at the Whirl-A-Go-Go.
I was looking for Mexican lobby Cards and ran across an imageless blog that had a bunch of them for sale with this Picasa link (like flickr only not fascist)..... he had a bunch of medium quality shots of his vast collection, and I found it a reasonably interesting shopping experience, even if I didn't buy anything: