• I would add some pre generated waterfalls-To add some beauty to minecraft
  
• Some new plants wold be great like : small bushes,more flowers...
  
• Ever wanted to cross a river?It wold be nice to have some felled trees to be used like a bridge for some small rivers.
  

Mobs features

• Ever been in a cave with no torches and a sword that has a fire aspect? Well it is not going to be a problem. When you hit mobs with this enchantment it sets itself on fire and not going to emit light, but now they emit light when on fire.
  
• You saw a spider jockey?wanna try? Well,no problem.Now you can put a saddle on a spider(that is tamed)and have a good time."How to tame a spider"-you ask.Well use the nether wart and,wola, its tamed :) - (But,not all spiders are willing to be tamed,so watch out you can lose your precious rotten flesh)
  
• Add some new mobs like:bees.They have a randomly spawned bee hive on the trees and you can collect 2 honey from 1 bee hive,but y make them mad and the bees chase you.One bee dose half hart damage.You can also make a jar to put honey in to it ,4 honey will fill the jar to the top.You can use the jar 2 times to heal 3 hearts at the time.
  

Other

• Same story as the sword one but make XP glow in the dark.
  
• Add some shooting stars.
  
• Have you ever had too many blaze rods?You don't know what to do with them? Well that shouldn't be a problem.Now with blaze rods you can make a new blaze sword,that is crafted like any other sword except there is two blaze rods
  
• Make bats drop Xp.(for some actual use from bats)
  

If y like what y see -----> Feel free to support me