Affirmed. See Hill v. State, 549 So.2d 179, 182 (Fla. 1989) (failure to present constitutional argument grounded on due process to trial court procedurally bars appellant from presenting argument on appeal); State v. Fernandez, 546 So.2d 791 (Fla. 3d DCA 1989) (approving a “cash for weight” agreement in which the amount of the confidential informant’s fee was based upon the amount of drugs involved.)