I think it looks good! What happened to the broken parts that you wanted to model in? You could model out some trims on the bottom of the fountain like in this example. If they are not too exessive you could even get away with it without baking it anew. If you're not quite sure how to do it check out this tutorial. She…
Well breking things usally add intrest and detail,:) i made a fountain kinda like this ones and did break it alot. And just adding random dirt and for places it should be is good way for adding detail for exampel your fountain "pool" looks werry clean for being used for water. Also adding nature stuff like moss is good…