To apply a watermark over an image in Drupal, use modules like ImageCache Actions or ImageMagick. Configure the module to add a watermark overlay to image styles in Drupal's configuration settings. Then, apply the desired watermark image and position it accordingly to be automatically applied to images when they are displayed on your site.

To install and configure TinyMCE in Drupal 7, download and enable the WYSIWYG and TinyMCE modules. Navigate to Administer > Configuration > Content authoring > WYSIWYG profiles, create a new profile or edit an existing one, and select TinyMCE as the editor. Configure the toolbar, plugins, and settings as desired, then assign the profile to user roles. Finally, clear the site cache to apply the changes.

To detect if a site is running on Drupal, you can check for specific patterns in the HTML source code or HTTP headers. Look for common Drupal elements like the "Drupal.settings" JavaScript object, meta tags such as "Generator" or "X-Drupal-Cache," or URLs containing "/sites/all/" or "/modules/". Additionally, tools like Wappalyzer or builtwith.com can identify Drupal installations.

To create a popup using Fancybox in Drupal, first, download and enable the Fancybox module. Configure the module settings and select Fancybox as the popup method. Then, add a link or button with the appropriate Fancybox class to trigger the popup, specifying the content to display within the popup in the link's href attribute.

To replace text with String Overrides in Drupal, install and enable the String Overrides module. Navigate to Administer > Configuration > Regional and language > String Overrides, then add the original text and its replacement. Save the changes, and Drupal will replace the specified text with the overridden string throughout the site

To implement Animate.css in Drupal, first, download and include the Animate.css library in your theme or module. Then, add the desired animation classes to elements within your Drupal site's HTML markup or use JavaScript to trigger animations dynamically. Ensure proper integration and compatibility with your Drupal theme and CSS styles.

To get started with Field Collection in Drupal, first, enable the Field Collection module. Then, create a new field of type "Field Collection" within your desired content type. Add fields to the Field Collection field to define the structure of the collection. Finally, configure display settings and manage content through the Drupal administration interface.