The following are some ways to utilize your monogram, but I would recommend that you don't use ALL of these ideas, or trust me, your monogram will officially be considered "overused".
It goes without saying that the monogram can be used
on your stationery. Carefully utilize it so that your paper products
are balanced. They should tie in together, but not all look
the same.
image: documentsanddesigns.com
Wedding Monogram GOBO (stands for Goes Before Optics). is a template
that fits onto a special light that projects a design onto a wall,
dance floor, ceiling, etc. image: http://zephyrtents.com/
Monograms are being used more and more to customize your aisle runner.
image: weddingbycolor.com
Cocktail and Beverage Napkins
image: jessicalynn402.blogspot.com
Your monogram or motif can be added to your welcome bags
via direct print or a square or oval sticker
image: alwaysplanned.com
Monograms on each guest's place card is always a nice touch
image: projectwedding.com
Your monogram on a sticker can also be used on favor tags
and favor boxes.
image: joyfulbrideonline.com