Nicely done (Y)
Just a suggestion though. The tail lights seem to be in good nick but they need to be cleaned to make them pop. You could do it yourself. There are screws at the back of the lights, open them and then dip the lights in hot water. That would soften the glue holding the lens. Using a couple of screwdrivers, softly pry open the lens. Clean them from the inside and spray a couple of coats of chrome paint on the reflector, masking the black portions of the housing. Seal them up using silicone and you'll have lights that look good as new. Also, to bring out the shine on the lenses, use some good quality cutting compound on them.
About the 1sz-fe, although its a very appropriate swap in terms of power to weight ratio and fuel economy, there is however one issue that I see. I've seen around 4-5 1sz-fes swapped in g100s and g11s, the oil sump on the engine sits very low, giving very poor ground clearance. However, there is one g11 that I've seen that had the engine mounted pretty high but the hood had to be cut in the center for the air cleaner to clear it. I cannot really comment on the handling of the car with the engine mounted so high, but theoretically, it would've raised the center of gravity of the car and would've had an adverse effect on the handling characteristics.