Uploads represent all user data that may be sent to your website as a single file. As an example, avatars, image attachments, virtual gifts are uploads.
Visit System > Uploads > Settings section (/admin/uploads/index/) to edit parameters of images that are used on your dating site:
Click Configuration in the right dropdown to edit parameters like max width and height, allowed file format, and so on.
Example of editing gallery images' parameters :
Click Thumbnail to create and edit thumbnails for the selected category. When an image is uploaded, the system will make necessary service pictures for various purposes (like search results images).
Let us take wall post image for example:
Following editing options are available: