That boot img looks like it was old, and certainly not for 3.2. I'm afraid that you are really confused, and I'd like to help you. If you have already updated to Honeycomb 3.2 (the newest version) you can not flash any files that are for a version prior to 3.2. You will not be able to boot. Period.
Can you please confirm your Xoom model (US/non US, wifi/3G) and the Honeycomb version you are running as well as are you rooted and what version of ClockworkMod recovery you have installed? With that information I or someone else will be able to guide you. Also, what are you seeking to do?
On edit: Re-reading this I sound condescending, but I don't intend it that way. It's just that it looks like you are mixing apples and oranges--different files for different versions and it's hard to figure out what's going on. So, I'm sorry if I have offended you.
Thanks.