More Clues!

I got another letter from the kidnapper today.

HI There,
Have you fIgured ouT whaT I've done wiTh TIny Casey yeT? ObvIously you haven'T, so here's some more InformaTIon. You wIll fInd The lITTle guy aT www.-------.com/casey. To fIll In The blanks, keep lookIng for The clues.

I also got another photo. He's going to be fried! I was going to throw in some joke about Kentucky Fried Casey, but the situation is just too dire for lame jokes.