So here's the thing. None of us can avoid first impressions, we are hard wired to form an instant opinion of someone, or their product, based solely on their look. If your profile image looks shady (as I probably do here when snapped on holiday) then I expect you'll lack confidence in me or my product. On the other hand, I'd like to think that my professional photo says something positive about me and that it would impart a sense of confidence in my product. This professional photo was taken by me in my home studio.
If you think your profile photo might be holding you back then why not consider having a professionally taken image to help create a better first impression.