Here's all the gameboots I've made so far.  I'll share more as I make them :)

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Title: shizzy's Custom Gameboot Pack #1
Origin:  Contains 41 various gameboots
Description:  Source: YouTube



UPDATE:  Here is a shorter preview of pack #1.  It has sound,  but it was recorded with the NYCO PSP-To-TV adaptor, so the quality of the preview still isn't perfect, but at least you can hear the sound on them now.  
Much thanks to JoostyJuice for creating the awesome Zelda PSP bootsound used in the Zelda gameboot. :D

Source: YouTube



SENDSPACE:
Link:


MEGAUPLOAD:
Link:


NOTE: YOU MAY NEED TO ADD THE .rar EXTENSION TO THE SENDSPACE DOWNLOAD Don't ask me why.  I uploaded it as a .rar But I downloaded it myself, and added the extension and it opened fine. Maybe it's just because I have just switched web browsers.  Who knows.  If it doesn't download as a .rar file for you, just add the extension yourself.


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Title: Custom Firmware by: Dark_Alex
Origin:  My tribute to Dark_Alex  :)
Description:  Source: YouTube



Link:

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The Preview Gets Cut Off At The End,  But The Gameboot Plays All The Way Through

Title: Bypassing $ONY Firmware Protection
Origin: Video .cgi from Google, Audio by me
Description: Source: YouTube


Link:

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Title: Playstation 3 Gameboot
Origin: My PS3 :P
Description:  Source: YouTube


Link:

Link:
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Title:  PS3 Gameboot Version 2
Origin: Version2.  This one has no SONY branding @ the beggining
Description:  Source: YouTube

Link:


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Title:  Mario Spank
Origin:  I originally saw this as someone's avatar.  I've wanted to make it into a gameboot ever since...
Description:  Source: YouTube


Link:

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Title:  Mario 64
Origin:  I found the best quality Mario 64 intro on the net that I could.  So the video quality is so-so.
Description: Source: YouTube


Link:

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Title: Gears of War v2
Origin:  Gears of war Trailer
Description:  Source: YouTube


Link:
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Title: Playstation 3 Waves
Origin:  I got a request for a gameboot with the PS3 waves, that displays NO SONY Text.  Here it is...
Description:  Source: YouTube


THIS GAMEBOOT DOES COMPLETLEY FADE TO BLACK, IT"S JUST THAT YOUTUBE TENDS TO MESS UP THE END OF PREVIEWS SOMETIMES

Link:
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ooh :yes:
they are really great thanks for sharing :)

Nice use of YouTube tags.

I already found my perfect gameboot. The Full Metal Panic segue!

can you plez pretty plez make this into a gameboot and a intro so i can have it when i cut psp on and when i start a game pez
and make it say like playstation or psp....as sound

Here is the gameboot.  I didn't make it.  Just found it on the web...

http://www.sendspace.com/file/vrjyqp

I'll do a different variation of it with a custom sound.  Just give me a little time.  I've been working a lot lately...

is it the same one i just posted if so thanks and plez can try and make intro

Ya.  That is the gameboot you requested.  
As far as a C-Intro, give me a day or two, and I'll come up with something.  ;)

thanks this chocolate is badassnice........can't wait for intro

all this gameboots is for 3.03, 3.30 or 3.40?

They work on all firmwares  :)