ROM 0 Android 3.1 Thai Region (AIS TOT 3G) build P7300DXKI5
http://www.megaupload.com/?d=EMY30AQ9 (approx 340mb)
1) unrar and place in cmw backup folder
2) run cmw recovery and choose image to restore
This is pulled from GT-P7300..not GT-P7300B (I think P7300B is for Dtac and True 3G)
You will need CMW recovery to use this image
You can use Kies to update to 3.2 Thai Region when Samsung releases it.
You can extract Swype Thai keyboard from this image and use in 3.2 other region