There are several bcp that start with Ortho. I assume you mean Ortho-Tr-Cyclen, whioch is commonly prescribed to first time pill users. For some info on Ortho Tri-Cyclen, check out
WebMD Drug Database: Ortho Tri-Cyclen
However, the best person to advise you on specific mediation is your doc. (S)he can best evaluate and explain whether a given birth control pill might be right for you.
As to smoking and the pill or other hormonal birth control such as Norplant and Depo (you meant that with "more lasting methods", did you?), it's the same overall: no smoking, or you significantly higher your risk of blood clots, heart attack and stroke. Check that here for Depo and here for Norplant.
"Through repetition the magic will be forced to rise."