to answer your question....
any of the following show work fine on your ViewSonic ViewPad 10
& can be downloaded here:
http://www.android-x86.org/download-------------------------------------------------------------------------------------------------
AOSP Froyo
------------------
android-x86-2.2-r2-tegav2.iso
Android-x86 2.2-r2 live & installation iso for atom tablets like Tegav2/Viewpad10
AOSP GingerBread
----------------------------
android-x86-2.3-RC1-tegav2.iso
Android-x86 2.3-RC1 live & installation iso for atom tablets like Tegav2.
AOSP HoneyComb
----------------------------
android-x86-3.2-RC2-tegav2.iso
Android-x86 3.2-RC2 live and installation iso for Tegatech Tegav2
AOSP ICS
----------------
android-x86-4.0-r1-tegav2.iso
Android-x86 4.0-r1 live and installation iso for Tegav2 (Atom N455 tablet)
AOSP Jelly Bean
-------------------------
android-x86-4.2-20130228.iso
Android-x86 4.2 20130228 live and installation iso
android-x86-4.3-20130725.iso
Android-x86 4.3 20130725 live and installation iso
AOSP KitKat
-------------------
android-x86-4.4-RC2.iso
Android-x86 4.4-RC2 live & installation iso
To build your own start here:
http://www.android-x86.org/getsourcecodethough outdated, it's the basics....you can check this forum for more up-to-date info for specific builds