Just gonna drop this off here first:
Note: Autocorrect doesn't show up in landscape but does in portrait!. I can't access keyboard debug menu on my tablet so I figured I would try ICS keyboard and well...that didnt go well so I thought...why not the gingerbread keyboard? And poof! It works perfectly minus voiceinput*because I cant get into debug menu* so, time for instructions?
First, you need to put the APK on your SDcard:
Download link: here
Next you need to push to your SDcard either through adb or just using USB mass storage.
Afterwards copy to system/app/ using a file manager *ES file manager or Root explorer is recommended. Root Explorer for those of you who use paid apps or ES for those of you who want a free alternative. I used Root explorer.
Here is the VERY important part, mod the permissions to the following:
Read, Write Read Read
You can redownload the stock APK from here and follow the rest of the guide starting after you download. It's the same universally. Also note that not all keyboard apps work well in system which is why I did it with the stock gingerbread app. Ice cream sandwich keyboards aren't too /system friendly.