Threshold will make your dark areas darker, and your lighter areas lighter
Second thoughts - can you upload it? Someone may be able to do it for you or tell you how they did it so you can...would be easir to tell you what to do if we could see what you want to change.
Second thoughts - can you upload it? Someone may be able to do it for you or tell you how they did it so you can...would be easir to tell you what to do if we could see what you want to change.