Shopping for a wedding gown can be complicated and stressful; searching for a Plus Size wedding gown can be especially challenging and intimidating.
The first step is always to be informed. Check out this iVillage article for info on sizing, fabrics, and what styles will flatter your body type.
Then you can browse online or head to your nearest bridal shop. David’s Bridal Woman has gowns that you can look at online, and then try on in their store. Many of them come with sleeve options that you can have added to the strapless styles. I love this A-line dress in Swiss-dot tulle and this flowing empire-waist gown. This satin gown with bolero jacket is stunning and elegant. 
Plus Size Bridal also has some lovely gowns. Here are some of my favorite:
Squidoo also has a great selection of dresses, and suggestions of other places to find dresses and accessories such as ebay.
House of Brides has a number of dresses from various designers, such as these mangificent Alfred Angelo gowns, a beaded satin gown and a 2-piece strappless dress (I love that veil!!):
