ER, OO 
Net addition? FLIX
Horse halter WHOA
Management target ANGER
Theme: replacing the letter combination “er” with “oo” yielding a new phrase
Convict’s level on a prison ship? PERPDECK [poop deck]
Evict a “Wizard of Oz” actor? BOOTLAHR [Bert Lahr]
Deceptive swap that literally resulted in [theme] THEOLDSWITCHEROO [note “er” and “oo”]
Grenoble gal pal AMIE [there was a big hit song with this title --- in English]
RATING:
Three grins = Excellent: Loved it; Two grins = Good: Enjoyed it; One grin = Satisfactory: A bit bland for my taste; One teardrop = Unsatisfying: No fun
