Textures and models for a new track

Hello,i want to start a new track and i need some textures library. And 3d models library like vegetation. Any good source ?

 

https://youtube.com/playlist?list=PLP0fG5pso0XxXTB5j7n6cGYM6EfhSB2tE&si=GrsjCKxW7s_qyhn1

 

Thats not what i was asking but anyway thx for the tutorial link

 

You can download the props and textures in the description

Edit: Also here on RaceDepartment there are some free props: https://www.overtake.gg/downloads/track-props.37866/