dsleonard, aka Leonard De Souza, has been a member since February 4 2008, has rated 188 lenses, favorited 0, and has created 2 lenses from scratch. Leonard De Souza donates their royalties to Squidoo Charity Fund. This member's top-ranked page is "Hydrogen Gas Saver - Why You Should Use A Hydrogen Gas Saver For Your Car or Truck!".