1) Open any blob
2) Select the Copy Tool
3) Select the Blob to copy
4) Use the Zoom Slider to zoom out a bit to see both blob
5) Click on and move the copied blob so that it is underneath the first blob
6) Select the Flatten too
7) Move the cursor over the bottom blob until you see the bottom blob highlight and the cursor change to the 'flatten from the top' cursor
8) Click and push down on the ball handle until the bottom blob is flattened
9 ) Select the Glue tool to glue the two blobs together
10 ) Select the top blob
11) Select the bottom 'flattened' blob
12) Change to Animation Mode
13) Select the 'Create Ground' button and a ground is created for your blobs
14) ) Select the 'Draw Path' button...
15) ...and draw a path for your blob
16) Select your blob to animate
17) Select the path to animate on (notice that Cosmic Blobs has chosen the default animation for you and we will not change it
18) Select Play
     
19) Your blob seems to float around while casting a shadow on the ground