The most know sak Yant design by westerners is the 5 line or "Ha taew" which is most oftern written perpedicular to the horizontal.
It was made famous by Angelina Jolie when she was Tattooed by the Ajarn Noo Ganpai. It is rummoured he expects in the range of 50,000 baht per Tattoo now.
The lines transliterate to English.
1. i ra cha ka ta ra sa
2. ti hang ja toh loh ti nang
3. soh ma na ga ri tah toh
4. pi sam lah loh pu sa pu
5. ka pu bam too tahm wa ka
The explanation in English
1) To create within you the heart of giving and in others compassion, acceptance, and kindness towards you, thus increasing your fame standing in your community.
2) Helps in bring good fortune and luck towards you.
3) Protects you against evil spells and spirits and the banishment of bad luck.
4) Improves ones destiny and fate.
5) Improves ones charm and popularity on a personal level.