...
If you create a banner ad, make it have 2-4 words
250 X 250 or 300 x 250 (WIDGET AD)
250 X 250
Simple, yet it looks great.
Someone else already did the hard part.
Here is the .png
...and for the web the .jpg
4Ps9TitweADRS1sHUpxqJfmjMkkTB7QWPJ
Many Thanks
Edit:
Tried to keep it to only 4 words but this version looks better