Where is a good place to place the recommended Ambitions and Showtime lots in these neighborhoods without losing the original charm of the community?

If you start a new game in any of those neighbourhood the lots will be automatically put into place.
Not sure if that's any help but they might be placed in nice places.

I am aware of that, but the places it places the usually 20x30 lots just look downright peculiar. Riverview was better, but there was still some locations that felt weird.

It doesn't put that large 60 x60 lot for me so i just put one somehwere so I could have it in the game.

I love playing Sunset Vally and everytime they have new lots it clogs it up. I'm running out of space.

I miss that neighborhood, but I can spend hours looking for a place to put each recommended lot to which I eventually just give up on it.

It would be cool if EA or some creator could make a hybrid world of Bridgeport and Sunset Valley.

That would be good but what would be even better is have them as atached neighbourhoods like the good old days of SIms 2. You know when Downtown was attached to whatever neighbourhood you were playing in Night Life.

Showtime could have done the same when they did it to Superstar