A very simple way to make a shadow! Look at the code inside. Works with anything!
First add a create clone block to the when flag clicked block. Then get a when I start as a clone block and a set brightness to -100 and ghost effect to 50 and then a go to x: y: block and get a - block then get a x position and y position block and put it into the - block, then subract 25 from the x position and 10 from the y position and put it into the go to block, then you are done! if you need more help look at the code! All by me!