If you want to update any personal information on your account, first log in to Ocast.
In the upper right corner of the page, click on your profile photo.
From the drop down menu, select account settings.
Now you're page should look something like this:
Under Personal Information, there is a field that says Profile Picture.
To upload or change your profile photo, select browse to choose a photo from your files.
Save changes and your profile is updated!