The identifiers I used, in the order I used them, in case anyone needs them:
Button Bar:
com.apple.mobileipod-AudioPlayer
com.apple.mobilesafari
com.apple.mobilemail
com.apple.Preferences
Remainder:
com.apple.MobileAddressBook
com.apple.mobilecal
com.apple.mobilenotes
com.include7.mobiletodolist
com.zacharybrewstergeisz.books
com.apple.calculator
com.twenty08.MobileChat
com.apple.mobiletimer
com.googlecode.mcolloquy
com.googlecode.MobileFinder
com.borngraphics.fivedice
com.flippencorp.frotz
com.nullriver.iphone.Installer
org.pogi.iRCm
com.sendspace.ishare
com.kroo.iSplit
com.apple.MobileStore
com.googlecode.iphonelockbox
com.apple.Maps
com.gobanzai.mobilecast
com.mexens.iphone.navizon
com.natetrue.iphone.nesapp
com.folabs.oblique
com.sadun.pdfviewer
com.apple.mobileslideshow-Photos
com.google.code.MobilePreview
com.google.code.mobile-rss
com.sadun.SendFile
com.sadun.SendPics
com.sadun.SendSong
com.byhoffman.iphone-apps.services
com.latenitesoft.Sketches
com.oday.squid
com.googlecode.iphone-wireless.applications.Stumbler
com.apptapp.SummerBoard
com.googlecode.mobileterminal.Term-vt100
com.googlecode.mobileterminal.Terminal
com.google.code.tetrominos
com.google.code.MobileTextEdit
com.apple.mobileipod-VideoPlayer
com.creed.vnsea
com.apple.weather
com.apple.youtube
com.sadun.iLight
com.sadun.redLight
com.sadun.blinkyLight