Grilled Eggplant with zucchini

1 lb eggplant , cut into 1/2 inch slices 3/4 teaspoon salt , divided 1/4 cup balsamic vinegar 1/4 cup dry red wine , dry 1 tablespoon brown sugar 1 small[...]

2 tablespoons salt , plus more for sprinkling 2 medium eggplants , trimmed and sliced diagonally (about 3/4 inch thick) 2 small zucchini , trimmed and halved[...]

2 large red bell peppers or 2 large orange bell peppers or 2 large yellow bell peppers 2 medium zucchini , rinsed, ends trimmed, and halved lengthwise 1 large[...]