OK, Look.. do this:
You can do ATW and Crossover now right?
learn thoose tricks next:
Step 1: Learn Toe bounce AND HTW, then go to step 2
step 2: learn 2 Atws in a throw, and some cool ways to get the ball up, and some new ground moves if you want.. and still train your old learned tricks..
step 3: Learn some easy combos, for example: TB - Crossover - ATW.. and learn Xover if u cant do it yet..
step 4: Learn reverse TB and reverse Crossover, and some more multiple ATWs and multiple HTWs, (and Crossovers if you want)
step 5: Learn Tatw and some other combos
Step 6 - xxxxx: now you know what you have to learn yourself, you have the basic, do what you want..