Blue Lizard Australian Sunscreen has developed a fundraising model for organizations to adopt the cause of skin cancer prevention while selling a dermatologist-recommended product.   In the model, groups buy a bundle of gift cards from BlueLizard.net for $10 each and sell the cards at face value ($20 each) to supporters, who use the cards to purchase products on the BlueLizard website, according to Crown Laboratories, the Johnson City, TN-based company that manufactures the brand.   The bran...