8 Across - They maybe fast, but only without running (4) D?e?
19 Down - Accentuate in manner of speaking (6) ???e?s
11 Down - Appropriate (5) U?u?p
26 Across - One has a lot of fun with it ! (4) ?n?t
20 Across - It comes from a bird and sounds inexpensive (5) Che?p