Help oh oh, think i bricked it! :(

[Android_Astronaut]

So with my captivate phone it goes to the the rogers load screen and a yellow triangle w/ a ! in it, and when i boot into download mode, and try anything with Odin i get an "invalid binary signature" error(?). Any help would be greatly appreciated!

 

[Android_Astronaut]

nvm i fixed it myself, Thanks for the help...
oh wait....
Now to try to go from Gingerbread to Jellybean again, at least if i f**k it up this time i know how to fix it