money

"It is advisable to bring to Thailand the US dollars, Euros and other world's major currencies, which provide secure and stable rates while exchanging to the Thai Baht at any local bank or the easily available currency exchange booths. International credit cards are generally recognized as well. Traveler cheques are widely accepted, but to cash them in, one should carry a passport along.
Thailand Money
10 Baht 20 Baht

50 Baht 100 Baht

500 Baht 1000 Baht

Apropos Thai money, click on the banknote's thumbnail to see its original size. Newly designed banknotes have been introduced recently, and in effect, both new and old are in use. Use this Currency Calculator, to check the exchange rates from various currencies to Thai Baht. And for actual rates offered in Thailand click on Bangkok Bank or Exchange Rates to Thai Baht."

from http://www.th4u.com/preparations.htmthe picture