Help: Loading ChickHEN on PSP 1000

I currently have a PSP 1000 with 5.03 offical Firm Ware, I want to load ChickHEN on it so i install 5.50 GEN-D3 and play ISOs on it. I’m currently following the guide below:
http://forums.psp-hacks.com/f133/the-hack-your-psp-mega-thread-t227349/page44.html#post1181187
I’ve copied the .tiff image to my PICTURE folder but when I turn on my PSP and go to the image my PSP freezes and then just turns off. No green screen, no nothing.
When I turn it back on, it’s normal again.
My theme is the original theme, and my language is set to English, I don’t know what else to do, please help!
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Wentworth
Answer #1
Restore default setting on your psp first.
Then browse to the blue image
Answer #2
The same thing still happens :'(
It just turns off and then nothing.
Edit: Instead of a PHOTOS folder my PSP has a PICTURES folder and it only displays the stuff on the XMB if i put it into the PICTURES folder could this be the problem?
Edit: On my 10th try it worked! I guess you just have to keep on trying thank you!