Improving the quality of scanning tunneling microscopy (STM) images involves addressing multiple factors, including electromagnetic and vibration isolation, tip size, and the effectiveness of feedback circuitry. The specific type of material being imaged also plays a crucial role, as some materials may require special handling to achieve a pristine surface. Post-processing software, such as SPIP, can enhance image quality but may also introduce artifacts if not used carefully. The discussion highlights the complexity of STM and the need for detailed information to provide tailored advice. Overall, a comprehensive understanding of STM operation and careful consideration of both hardware and software factors are essential for improving image quality.