Well sometimes its nice to have a place to find your answers to many things so I decided to take the time to do a search for some guides that will help many people. If you have any guides, please just give them to me and I will add them to the list. This is what I have found in my search
Subject: How to Jailbreak Firmware 2.0 Mac and PC
URL: http://www.iphone-3g-forums.com/blog...20-mac-and-pc/
Subject: How to Jailbreak any iPhone/iTouch (Firmwares 1.0.2-1.1.3 includes Downgrading)
URL: http://www.everythingicafe.com/forum...ide-21680.html
Subject:How to Jailbreak a 1.1.2 iPhone that is just out of the box.
Author: Chris716
URL: http://www.everythingicafe.com/forum/iphone-modifications/this-is-how-to-jailbreak-a-1-1-2-otb-iphone-18919.html
Subject: Convert Video to iPhone
URL: http://www.videora.com/en-us/Converter/iPhone/guide/video-to-iphone/
Subject: Place ROMs onto iPhone
Author: Zabumafu
URL: http://www.everythingicafe.com/forum/iphone-modifications/how-to-get-roms-onto-iphone-itouch-guide-20102.html?highlight=guide
Subject: Download all iPhone Firmwares
URL: http://www.hackthatphone.com/111/iphone_firmware_update.html
Subject: How to fix Youtube for Mac
URL: http://www.hackthatphone.com/111/iphone_fix_youtube_mac.html
Subject: How to fix Youtube for PC
URL: http://www.hackthatphone.com/111/iphone_fix_youtube_windows.html
Subject: How to Repair the Basehand (Mac)
URL: http://www.hackthatphone.com/111/iphone_repairing_baseband_mac.html
Subject: How to Repair the basehand (PC)
URL: http://www.hackthatphone.com/111/iphone_repairing_baseband_windows.html
Subject: How to use AnySim
URL:http://iphone.unlock.no/
Subject: Getting Started
Author: Apple
URL: http://www.apple.com/iphone/gettingstarted/usingiphone.html
Subject: How to Conserve Battery
URL: http://macs.about.com/od/ipod/qt/iphone_battery.htm
Subject: How to get Ringtones via Garageband
URL: http://www.ilounge.com/index.php/articles/comments/12066/
Subject: How to get Ringtones using iTunes and PC(Free; the old trick)
URL: http://forums.ilounge.com/showthread.php?t=205183
Subject: How to fix a bad IMEI number
URL: http://www.hackthatphone.com/111/iphone_bad_imei_repair.html
Subject: Go From Unlocked 1.1.1 to 1.1.2
URL: http://www.everythingicafe.com/forum...2-a-18267.html
Subject: How to Tether an iPhone
URL: http://www.everythingicafe.com/forum...ible-6905.html
Subject: How to fix levels in iPhysics
URL: http://www.everythingicafe.com/forum...tml#post194093
I will continue to add on to this as I have time. If you need any guides I will search for them or if you have any more you wish to add just tell me.