lack of error

i am generating an image. Everything is going fine except this one image. it shows only as a broken image. even if you go directly too the file all you get is a broken image. with out an error of some sort i am baffled where to start. any one got an idea what may cause such? here is the url you can try it. http://www.hvacsites.com/SiteBuilder/logo.php?tmpcolor=_dred&logo_text=sdfdsdfasfd&logo_style=1 Thank You, Jon Yaggie www.design-monster.com And they were singing . . . '100 little bugs in the code 100 bugs in the code fix one bug, compile it again 101 little bugs in the code 101 little bugs in the code . . .' And it continued until they reached 0