Next press Ctrl button to mark out all the doubled layers, except the top one and then press Ctrl+E. Hide for a while the top layer:

Choose for the new layer the next parameters: Blending mode-Screen

Set the next parameters for the top layer: Opacity 50%, Blending Options>Drop Shadow

Blending Options>Inner Shadow

Blending Options>Inner Glow

Blending Options>Bevel and Emboss

Blending Options>Satin

Make a copy of the very first background’s layer containing the filters we’ve applied on it. Place this new copy above all the layers, setting also the parameters: Blending mode-Linear Light

Keeping pressed Alt button, make a mouse click between the copy of the first layer and the previous layer on the layers’ palette.

Using the Custom Shape Tool (U), draw two snowflakes:

Do the same operations we did with the layers containing the ciphers, meaning rasterizing the layer, pressing Alt button and doubling them 8 times and then moving them on the up direction. Mark out the layers processed with the Move Tool (V), except the very top layer and rasterize them into a single one. Set also the next indication Blending mode-Linear Light, instead of Screen one.
Apply for the top layer different parameters demonstrated below: Blending Options>Drop Shadow

Blending Options>Inner Shadow

Blending Options>Inner Glow

Blending Options>Bevel and Emboss

Blending Options>Satin

Place the copies of the background’s primary layer containing the effects above the top snowflakes’ layers. Press Alt button and make a mouse click between the layers containing the background’s copies and the top layers containing the snowflakes:

Finished!

View full size here.