Armorama site have very good photos how to work whit metal wires
Thas way i use to. some parts i make little differently.
All wires are ready.
Then i put whit modelling material same as what i use making rocks
When modelling are dry i make wood tumblers and if need thin branches
Paint prime. i use spray bottle
Then i put Mininatur's leaf .
Painting wood. look How to paint to look like wood tips
Details of wood
Sorry about at don't see final tree yet. I must order more leaf to this trees.