ALRIGHT!!! I made these changes to my settings and cfg...
[SCENERY]
AUTOGEN_DRAW_DISTANCE=35000.000000
AUTOGEN_TREE_DRAW_DISTANCE_PERCENT=1.000000
AUTOGEN_TREE_MIN_DISTANCE_TO_LOD=3500.000000
TEXTURE_SIZE_EXP=15
[TERRAIN]
LOD_RADIUS=7.500000

It yielded an EXCELLENT VFR "flight" from Hammond, LA (KHDC), around Abita Springs, LA, St. Tammany Reg'l (L31), then along the northshore of Lake Pontchartrain, and back to KHDC. I used the default P3D v4.1 Piper J 3 Cub, default sky, standard weather with a winter texture set by "Amie LeClerq".
"Flying" out of Hammond; Northshore Regional (KHDC), runway 18, east departure

Here's a shot at about the same spot of my original picture, "flying" just north of L31 overlooking Lake Pontchartrain and New Orleans in the background.

On final, runway 18, Hammond

A HUGE THANK YOU to Daube for the advice and help! I will try out Terra Florra and Orbx Trees soon. I will also continue to tinker with my settings a bit more since my picture doesn't look quite as good as yours does -yet. The sim "flies" perfectly with the proper AA settings you suggested!