Most likely he'll be released and set on a plane to Australia.
Thailand is notoriously strict when it comes to Lèse Majesté laws. You read it in every guide book.

--Previous Message--
: An Australian who wrote a novel several years
: ago, which sold only seven copies, has been
: sentenced to three years in a Thai prison
: because a passage in the book maligned an
: unnamed crown prince. This is truly an
: outrage and I hope the international
: community protests.
:
:
: www.ft.com/cms/s/0/a373f554-e5e8-11dd-8e4f-0000779fd2ac.html
: