Be nice. Tattoo's are being more and more accepted among hiring managers as well! Not that I currently have any ?
EDIT: just make sure the tattoos have some meaning to you... I've seen too many people regret tattoo's even 2-3 years later and have to get them removed...
breaks do nothing
has nothing to do with anything. only time this comes into play is when they flag your account because you have 20 accounts registered to the same email.