Instead of focusing on "odd" as strange or unusual, consider:
* Unique: Emphasizes individuality and distinctiveness.
* Unconventional: Highlights a different approach or perspective.
* Quirky: Implies a playful and charming peculiarity.
* Eccentric: Suggests a delightful and engaging personality.
* Uncommon: Points to something rare and special.
* Original: Emphasizes creativity and innovation.
* Exceptional: Highlights something that stands out from the ordinary.
* Intriguing: Suggests something captivating and stimulating.
The best positive connotation will depend on the specific context.