I have updated my original post on the "Jonah image" said to be found at Talpiot that will be the subject of both a Discovery Channel special and an ABC story this week. This post simply points you back to that update. That post is entitled,
I have added the original preliminary report by James Tabor to that post, so the case for the original claim is clear. There are four other explanations for what the symbol is on this tomb as that post makes clear. I also added there a link to Richard Bauckham's article on what the inscription might read.