How to customize the map used on gmap module (node locations)
The google maps parameters can be changed in file: "sites/all/modules/gmap/js/gmap.js"

Here is the option I choose:

Street View enabled:

opts.streetViewControl = true;


Satellite map disabled:

opts.mapTypeControl = false;


Zoom widget change:

opts.zoomControl = true;
opts.zoomControlOptions = {}; 
opts.zoomControlOptions.style = google.maps.ZoomControlStyle.LARGE;