Because of the physical properties of bark in regards to the size and shape of each kernel, it is difficult to "pack" the orchid and keep it stable for long. I suggest getting some floral tape or twine to wrap around the pot, top to bottom, and secure the bark and plant together with the pot. I do this with tall catts and laelias when I pot them in small shallow pots. Once I find my camera I can start posting pics again as examples.