OK, I have the answer, and am not thrilled with the cause.
The third line of your signature 'reads' as this, and it is 193 characters (spaces included)
Janet & the hounds Jake Jet and Grandy Missing my baby girl Peanut and my old Diva Foxy; my angel, my inspiration. You both taught me so much about the power of love, you are with me always.
The actual code used to create the links, color an all totals 594 characters.
Janet & the hounds [url="http://www.greyhound-data.com/d?d=ss+tal+iano"]Jake[/url] [url="http://www.greyhound-data.com/d?d=system+cs+buddy"]Jet[/url] and [url="http://www.greyhound-data.com/d?z=bsqLBN&d=craigie+grandy&x=18&y=9"]Grandy[/url] Missing my baby girl [url="http://www.greyhound-data.com/d?z=cR-ra_&d=fth+buttercup"]Peanut[/url] and my old Diva [url="http://www.greyhound-data.com/d?d=I%27ma+foxy+dawg"]Foxy[/url]; my angel, my inspiration. You both taught me so much about the power of love, you are with me always.
The coded line length for signatures is 200 characters, so your third line, even though it displays as