In the name of God...
an overview of calligraphic kufic variations of the word "Allah":
Square Kufic Script. Table of the square kufic script letters with their modern Arabic equivalents. Note that many of the characters have the same form and can be easily confused.
Beautiful Allah Calligraphy in Kufic
ALLAH. Explore the variations in calligraphy.
islamic calligraphy 2013 FREE EPS by Ahmad gbr, via Behance
لا اله إلا الله
beautiful. Delicate inked Drutsa script of "to become peaceful" aligned vertically.
Courage, freedom, happiness, Drutsa script aligned vertically
Wissam Shawkat - Love Carpet Arabic calligraphy with all the different words for love