Need Graphics Person to work on header

Need Graphics Person to work on header Attached are very rough sketches of a cave face (Header1) and also a set of formulas (Header2) to put in the interior of the cave. The files are a jpeg of each along with psd and xcf (for Gimp users) files of each. The name of the web site this will go no to is MathCave.com. What I would like to have done. 1. Artist either work on the header1 files to make rocks look more real and more 3D looking. Can redraw if you desire but would like general shape kept. 2. Work on inside of cave to make it look like it has some depth to it. 3. Place some or all of the formulas inside the cave. Please note that some of the formulas in a lighter strength than others so if possible I would like to keep that effect. Also make formulas look like they are deeper in the cave than others along with following the walls, ceiling and floor of the cave. 4. Please Add "[login to view URL]" some ware on the graphic in some form of 3D lettering. 5. Please note: I would like to keep the header size to 840 x 175. 6. When delivered, file to be in either psd or xcf format with all work layers. 7. Samples for approval can be in jpeg format. Please ask any questions before bidding. Thank you for your interest