Check ebay for dash kits for that year. There are pieces that cover the long edges of the center console. This would hide the missing paint. Check this auction, items 13, 14, 22 and 23. YOu can just order these pieces. Cost about $40 I would say.

eBay Motors: FORD EXPEDITION 2008 07 08 DASH TRIM KIT DASHBOARD WOOD (item 250362388514 end time Jan-30-09 18:08:42 PST)