Blue Smoke/Brake cleaner under valve cover.

1994 xj 102k 4.0 AT 2x4 and I used brake cleaner on the valve springs (moron) to break down massive amounts of sludge. Next am jeep has a nice waftingblue smoke at idle. Research leads me to believe that valve seals are the likely culprit. Where do i get the "air tool" (for spark plugs) and whats the best place to get the seals?
List of recend fixes.
New blue rubber valve cover gasket
Oil change
Shocks
Leaf Spring helpers
Battery

Air hold:

http://www.amazon.com/KD-Tools-901-Hold-Fitting/dp/B000X01RJK

Where to get valve stem seals: any parts store.

Run diesel motor oil to clean out the sludge. Change your oil at 3000 miles or 3 months.