I took this image:

HERE
Went to TOOL BOX
Pick reduce or convert box.
Enter your url.
*HERE
input.
change .jpg to gif.
pick up URL.

Go to ..Gifworks
*HERE
choose effects=GRAYSCALE
choose effects=EMBOSS
choose edit =RESIZE.


This is size 180x180 background.You make what ever size that suits your image and page.Use this same technique to crop from regular image you want to match a bg to make a page or sig.

*SAMPLE•SAMPLE