Comment on Tracer by jsdu19

you can use not a sphere+texture but a little plan + snowflake+alpha channel for the texture and you add a lamp and in the option lamp you choice scene include and you drag the plan or your sphere too you can prefer not a object+texture but a volumetric lamp very little ect.. use in the Xpresso the node bubble for example , you can use the wind or others tools of Dynamic ......