i have to disagree with the e-sound, because it is pronounced different when it's é or è.
for example:
'lentement' is more like lan-te-man
'léger' is like lay-sjer (with the latter 'e' like in pet but longer)
some other tips:
"ai" is pronounced like è (but shorter than in 'léger', more like the English 'pet' thus)
"s" at the end of a word is often not pronounced, like the plural forms of words:
voitures the same as
voiture
something similar was with
Donatienne, where the final syllable is not pronounced either, but you already got that right i saw.