How do I get my canines to look better? (Photos)

I got braces and got off them in August. I'm having an issue of the alignment of my teeth. My dentist asks me to wait a few more months so that the teeth stabilize because I'm having a permanent retainer. My smile doesn't look normal to me. I CANNOT afford Invisalign's or getting braces again. NEITHER CAN I AFFORD VENEERS. Please suggest a solution that'll get me a straight aligned smile.

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