Publishing a photo online

I was going to publish an aricle about [link widoczny dla zalogowanych] [link widoczny dla zalogowanych] [link widoczny dla zalogowanych] on ezine articles site[link widoczny dla zalogowanych] but I was asked for my photo[link widoczny dla zalogowanych] I don[link widoczny dla zalogowanych]t have a problem w[link widoczny dla zalogowanych]th enc[link widoczny dla zalogowanych]uraging othe[link widoczny dla zalogowanych]s to po[link widoczny dla zalogowanych]t photos. I never have had a problem with my address being online. But I do know others who dont want their address or photos online for various reasons, and some have good reason.
Why is it not okay to put up a logo for their business instead of a personal photo? And what you think?