THEME: enjambed nations
GOOD ONES: Shore thing SAND
Start of something big? MACRO
Dazzling duo in Dover? ZEDS [two z's in "dazzling" and since it's in Dover, zee is zed]
Enjoys a few ribs? BANTERS [ribs are jibes which are at times part of banter]
Penny or passing follower LANE ["Penny Lane" is a Beatles song]
BTW: Family nickname MOMMA [it's her name in the family --- hardly a nickname]
Dyeing occasion EASTER [oddly it's also an occasion of life

]
"___ of Love": 1989 film SEA [but I bet it's better known from the song from which the title of the film comes]
Stops at the Sorbonne? ARRETS [so any foreign word that is needed to complete the grid is okay --- why not
echarse de reir?]
I really did not enjoy the fusing of two countries as a theme, but I don't know why. Maybe I'm a xenophobe after all.
RATING:

Three grins = Loved it; Two grins = Enjoyed it; One grin = A bit bland for my taste; One teardrop = Not much fun