1. Get dummies-level modelling metasquoia lite version (free) 2. Use Blob function and select copy mode - make an nice clump of fallen snow to suit your taste 3. Export as DXF 4. Import the DXF into your poser scene, apply material settings as you think fit (pink snow ?) 4. Arrange onto your scene, add or make more fallen snow props in metasequoia and import as per above.

Eternal Hobbyist