There are several tools and plugins available that can help you manage ads on your website and curate them yourself. Here are a few options you can consider:

1. AdRotate:
AdRotate is a popular WordPress plugin that allows you to manage and display ads on your website. It provides an easy-to-use interface where you can create ad groups, set schedules, and track impressions and clicks. You can manually upload and curate the ads you want to display, ensuring complete control over the content. AdRotate also offers features like geo-targeting, mobile-specific ads, and ad-blocker detection.

Website: https://wordpress.org/plugins/adrotate/

2. OIO Publisher:
OIO Publisher is a comprehensive ad management plugin that enables you to sell ad space directly on your website. It allows advertisers to book ad slots, and you can approve or reject the bookings as per your discretion. OIO Publisher provides a user-friendly interface to manage ads, set pricing, track statistics, and handle payments. This plugin also supports various ad formats including banners, text ads, and sponsored posts.

Website: https://oiopublisher.com/

3. BuySellAds:
BuySellAds is a popular online marketplace that connects advertisers with website owners. It provides a platform where you can list your available ad slots and advertisers can directly purchase them. BuySellAds offers a self-serve platform, allowing you to curate the ads yourself. You have the freedom to approve or reject ads based on your website's reputation. The platform also handles payment processing and provides detailed analytics.

Website: https://www.buysellads.com/

4. AdSanity:
AdSanity is a WordPress plugin that simplifies ad management on your website. It allows you to create and display ads using widgets, shortcodes, or directly inserting them into your theme. AdSanity offers scheduling options, allowing you to control when and where ads appear. You can manually upload and curate the ads, ensuring they align with your website's reputation. The plugin also provides basic impression and click tracking.

Website: https://adsanityplugin.com/

Remember to research and evaluate each tool to determine which one suits your specific needs and integrates well with your WordPress website.