I'm not sure how you're resizing the image for each user, but see if this KBA will help:
1645988 - How to modify image size when using the RAS SDK in a VS .NET application
- Ludek
I'm not sure how you're resizing the image for each user, but see if this KBA will help:
1645988 - How to modify image size when using the RAS SDK in a VS .NET application
- Ludek