This is a nifty tip I learned from my colleague, RCM examiner Colleen Athparia: If you keep coming to a dead halt at the barline, get rid of the barlines!
Music Practicing 101 - Alternating Hand/Bar Drill
An Introduction to Fake Books
Sight Reading Tips
While cleaning up some archived entries on my teaching blog, I found this one on sight reading tips, called (predictably) Sight Reading Tips. Here are some other articles and vblogs that I've come across that also address how to practice sight reading.