Smoking ordinary or electronic cigarettes stains both your teeth and your aligners. If you smoke with your aligners in, they will quickly look dirty and you'll lose their aesthetic advantage. It has generally been found that smoking speeds up tooth movement, but before you get too pleased about this, I should point out that this is due to the harmful effect of nicotine, which increases bone resorption.
This answer is for general information. Your own case needs an examination by an orthodontist.