Polyester resin compositions, including flame retardant compositions, having improved color stability are prepared containing a mixture of polyester resin, e. The peripheral frame includes a drive system for rotating the members about their longitudinal axis and the members are mounted in the peripheral frame and joined to the drive system in a releasable manner so that they can be replaced. Also disclosed is an apparatus for performing the method. Onboard instruction sets can operate in conjunction with display component embedded instruction sets regarding data logging and data reporting of display message information andor user impression information andor user click information. Biodegradable polymers include polyesters, polyesteramides, polyesterurethanes, thermoplastic starch, and other natural polymers.