I'd urge you to go to Art Work Rebels in Portland and talk to Jason about your ideas. Be open to what he suggests, as this is what tattooers do for a living. They know what lasts through young adult hood and into your older years as far as tastes go, but also what works as a tattoo and what doesn't, in regards to the actual visual piece.
Also, I'd agree with @Iwar and @BrianH about the jaguar thing.