Questions on Participle Phrases with commas

Can anyone help me with the differences between these sentences? I
am a little confused with the commas in these sentences.
Flying his new kite on a windy day, Terry laughed his way through the
park.
Terry laughed his way through the park, flying his new kite on a windy
day.
Terry, flying his new kite on a windy day, laughed his way through the
park, .
Dancing at the wedding of my sister, I met my future wife.
I met my future wife, dancing at the wedding of my sister.
I, dancing at the wedding of my sister, met my future wife.
Remembering her car keys, My mother dashed outside at 7:30 on the nose.
My mother dashed outside at 7:30 on the nose, remembering her car keys.
My mother, remembering her car keys, dashed outside at 7:30 on the nose.

[Mister Micawber]

.
No real difference. English tends, however, to place stressed or new information at the end of a sentence.
.