A community entrance is a different design problem than a front porch, and the difference isn't just size.
A porch is read from the sidewalk at walking speed by someone who chose to look at it. An entrance monument is read from a car at 30 miles an hour by someone who isn't looking at all. Everything about the arrangement has to account for that.
Scale for the distance, not the structure
The most common miss on a community entry is material sized to the monument rather than to the viewing distance.
A grouping that looks generous standing next to the sign disappears from the road. Bigger pieces, denser masses, fewer of them — that's what survives the distance. Small gourds and minis do almost nothing at an entrance and are better saved for interior spaces like a clubhouse porch.
Height matters more here too. Corn stalk bundles read from much farther away than anything at ground level.
Both sides, or commit to one
Entrance monuments are usually symmetrical, and a symmetrical structure with material on one side reads as unfinished rather than as a design choice.
If the budget covers one side only, put the display at the approach side — whichever direction most traffic arrives from — and let it be deliberate.
Sightlines are a real constraint
This is the part that separates a community install from a residential one.
Nothing should block the view at an entrance or exit, and corn stalk bundles are tall enough to matter. Keep material low near intersections and driveways, and put the height where it's behind the driver's sightline rather than across it.
Same for the sign itself. The point of an entrance display is to frame the monument, and a display that covers the lettering has failed at its only job.

Plan for exposure
Community entries are usually the least sheltered spot in the neighborhood — no overhang, no walls, full sun, and whatever wind the road brings.
Secure everything. Corn stalks tied rather than leaned, bales positioned where water won't pool, lighter pieces set on the leeward side of the mass.
And accept that an exposed display ages faster than a covered porch does. That's worth knowing when the board asks in mid-October why it doesn't look like it did on install day.
Where a clubhouse differs
A clubhouse or amenity building entry is closer to a residential porch — walking speed, covered, seen up close. The smaller pieces work there, the detail gets noticed, and symmetry flanking the doors reads well.
If you're doing both the entrance and the clubhouse, they don't need matching arrangements. They need matching material, which is what makes the neighborhood read as coordinated.
How this gets priced
Community entrances, clubhouses, and common areas are quoted to scope rather than sold as packages. So is any property with more than one zone to decorate.
Bring the number of locations, rough dimensions of each, and photos if you have them. That's enough to start.
Individual homes in the neighborhood order separately through the standard packages, which is the usual way a street ends up coordinated without anybody having to organize it.