Advertising, in the right place and time, is a good way to get more views for your projects. And if you do it in advertising forums or studios that encourage you to do this, there's nothing wrong with it. Just don't spam ads on profiles, studios or projects that don't want advertising, because nobody pretends that's OK. Here are some tips for effective advertising. Arrow keys to navigate.
@-Tiffany-Aching- got me onto the idea of repeated advertising in multiple places. I just updated her method a bit.