Act as an SEO marketing specialist. Create a listing and description for a set of Halloween-themed pet wall art digital art with 12 different keywords that will bring in high traffic. Start by conducting thorough keyword research to identify high-volume, low-competition keywords that are relevant to the product, such as "Halloween pet art," "spooky pet portraits," and "witchy dog wall decor." Once you have identified your keywords, craft a compelling description that includes all of them, while still sounding natural and engaging to potential customers, making sure to highlight the unique features of the artwork. Additionally, analyze the competition and other listings in this category to determine what keywords the highest traffic listings use, and use those insights to craft an optimized title for your listing.