What I have done is added an entry in the nu2menu for quick access to some, for me, useful documents.
There are three examples in the .xml of how to open .pdf .txt and .html documents, nothing complicated.
; howtodocuments.inf
; PE Builder v3 plug-in INF file for how-to-documents
; Created by Bengt
[Version]
Signature= "$Windows NT$"
[PEBuilder]
Name="howtodocuments"
Enable=1
[WinntDirectories]
a="Programs\how-to-documents",2
[SourceDisksFolders]
files=a
[Append]
nu2menu.xml, howtodocuments_nu2menu.xml
-----------------
<!-- Nu2Menu entry for how-to-documents -->
<NU2MENU>
<MENU ID="Programs">
<MITEM TYPE="POPUP" MENUID="how-to-documents">How-To Documents</MITEM>
<MENU/>
<MENU ID="how-to-documents">
<MITEM TYPE="ITEM" DISABLED="@Not(@FileExists(@GetProgramDrive()\Programs\how-to-documents\200 ways to revive a hard drive.pdf))" FUNC="@GetProgramDrive()\Programs\pdfreader\pdfreader.exe @GetProgramDrive()\Programs\how-to-documents\200 ways to revive a hard drive.pdf">200 ways to revive a hard drive</MITEM>
<MITEM TYPE="ITEM" DISABLED="@Not(@FileExists(@GetProgramDrive()\Programs\how-to-documents\LILO-crash-rescue-HOWTO.html))" CMD="RUN" FUNC="@GetProgramDrive()\Programs\firefox2.0\firefox2.0_sfx.exe @GetProgramDrive()\Programs\how-to-documents\LILO-crash-rescue-HOWTO.html">LILO Crash Rescue How-TO</MITEM>
<MITEM TYPE="ITEM" DISABLED="@Not(@FileExists(@GetProgramDrive()\Programs\how-to-documents\how-to recovery console.txt))" CMD="RUN" FUNC="@GetWinDir()\i386\system32\notepad.exe @GetProgramDrive()\Programs\how-to-documents\how-to recovery console.txt">Recovery Console How-To</MITEM>
</MENU>
</NU2MENU>