Beautiful Fossil Effect

1. Create a new layer, use Gradient tool with color #823D29 and #E3DC8D and make a gradient background like this:

2. Go to Filter -> render -> clouds

3. Use pen tool or ellipse tool to draw an ellipse shape with gray color

4. Go to Layer in menu bar, choose Layer style and do as the picture below:

Drop shadow: color #4F372C

5. Inter Shadow: color #4F372C

6. Outer Glow: color #ECD12D

7. Inter Glow: color #2F4C97

8. Bevel and emboss

9. Contour

10. Satin

11. Color Overlay

12. Pattern Overlay: click in the small box beside the pattern and choose rock pattern, you can choose any pattern that you like, click OK

Pick a butterfly picture or other insect that you like, remove the background of object by some tools like lasso...Set opacity 87% and flow 90% in layer box

Duplicate layer ellipse and put it on butterfly layer then set opacity 32% and flow 50%

This is my final result

Another result