Anyone knows how to put a profile picture on my account??? Please answer for those who know how. Arigatou Gozaimasu..

First you need to go to your own photos page/gallery.
So go to your profile and click photos or...
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Once there you should see something that says "Upload new photo"; click it and you will be on a page which will allow you to upload a photo.

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If you want to set it as your user icon, click the box or return to your gallery and set it there.