Use LOWER CASE letters a to z or numbers ONLY
or you will get a blank image square

for a period use a capital P

for a apostrophe use a capital A

for a dollar $ sign use a Capital D

width of letters
the lines will not wrap around so check it first on a pc of paper

Background URL fill for letters if wanted

for solid color letters erase the stainedglass.gif and enter color here or for a background leave white in

for larger letters use less inputs
if you want a space between 2 lines then put your cursor in a input between them and hit the spacebar one time