Improving bases
A very basic/beginners tutorial to improve dark and fuzzy pics. For Psp7 and I'm guessing it will translate well.
From
To 
Take the base

-Duplicate the layer
-Sharpen once
-Set to screen

-Next right click over image
-Copy merged
-Paste the merged copy as a new image
-On the new merged imaged press Shift H to pop up Hue/Sat/Lightness
-Set lightness to 8 and drop the Hue to -100
-Your image should go grayscale
-Now sharpen the grayed image once or twice depending on pic (don't worry if it looks too sharp, its kinda the point)

-Now right click over your gray/sharpend image and copy
-Paste new image on top (be sure its the top layer) of your original screened images
-Set gray/sharped layer to soft light
-Now right click on layer 2 (gray/sharp layer)
-Go to New Adjustment Layer then Hue/Sat/Light
-Drop Saturation to about -8 or -10 depending on how gray you want it to go
-Right click
-Copy Merged and paste as a new image
*TADA!!
Now you're ready to add your textures/lights/brushes etc..
Another example - this
to 
From
To 
Take the base

-Duplicate the layer
-Sharpen once
-Set to screen

-Next right click over image
-Copy merged
-Paste the merged copy as a new image
-On the new merged imaged press Shift H to pop up Hue/Sat/Lightness
-Set lightness to 8 and drop the Hue to -100
-Your image should go grayscale
-Now sharpen the grayed image once or twice depending on pic (don't worry if it looks too sharp, its kinda the point)

-Now right click over your gray/sharpend image and copy
-Paste new image on top (be sure its the top layer) of your original screened images
-Set gray/sharped layer to soft light
-Now right click on layer 2 (gray/sharp layer)
-Go to New Adjustment Layer then Hue/Sat/Light
-Drop Saturation to about -8 or -10 depending on how gray you want it to go
-Right click
-Copy Merged and paste as a new image
*TADA!!
Now you're ready to add your textures/lights/brushes etc..
Another example - this
to 
