Gracie ~
Are you speaking of the image in your profile in Singer's Showcase?
If so, click on Modify (after you login of course.)
Then at the bottom of the page it has "upload your image"
with a browse button (this is so you can look on your computer for the image.)
Then be certain to select "Check to delete the profile Image" to replace the old image with new one.
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If you are speaking about the image in your Forum Profile...
Click the Gold "profile" link to the left and upload your image there.
I hope that helps.
Phill