Sorry, I do not look at clinical photos. In my view, it comes too close to making a specific diagnosis, i.e. practicing medicine from a distance.
Your description sounds like
normalNormal saline flush sebaceousBirthmarks - pigmented
Hair follicle sebaceous gland
Sebaceous cyst glands, i.e. normal. Doesn't sound like any STD. See you health care provider if you remain concern, or consider posting your question on the MedHelp dermatology forum. Dr. Rockoff often is happy to look at clinical photos.
HHH, MD