Mikko Koppanen has another example of image manipulation in PHP through Imagick to create dynamic thumbnails of your images.

Today's example is about making pretty thumbnails by combining a drop-in shadow with round corners. The image is first scaled down to create a thumbnail. [...] The next step is to round the corners of the image. [...] The final step is to create the drop-in shadow and composite the thumbnail over it.

Both the code block to create the thumbnail and a before and after image to show how it translates in the post.

Mikko Koppanen has another example of image manipulation in PHP through Imagick to create dynamic thumbnails of your images.

Today's example is about making pretty thumbnails by combining a drop-in shadow with round corners. The image is first scaled down to create a thumbnail. [...] The next step is to round the corners of the image. [...] The final step is to create the drop-in shadow and composite the thumbnail over it.

Both the code block to create the thumbnail and a before and after image to show how it translates in the post.