It depends on what kind of image you want for yourself. Generally, people will remember you more from communication and real life interaction that a magazine stand. I've experienced it myself, so for business it's waaaay better to focus on building the contacts where you can meet and educate hundreds of people (lectures and charity events are great examples) then being "that guy with the tight white shirt from the May issue". Then if you are a good musician, a passable action movie star, a hot celebrity or someone sleeping with a hot celebrity, the mag cover won't be an issue (you can work on those, too, no harm
.