Also try the cloth shop with dynamic cloth.  You can virtually turn any artical of clothing into dynamic cloth by deleting the groups in the obj saving it out and reinporting it.  Then parent it to your figure go into the cloth room,  set up your pose like on the 10th frame, then let the cloth room settle the cloth down around the figure.  It looks a lot more natural.

Check out the way the hospital gown fits in this link. http://www.ShareCG.com/v/56400/view/1/3D-and-2D-Art/I-hate-NEEDLES-!!

Also with this obj you can use the skeledon of your figure to create morphs that fit it perfectly.