Simple semi-transparent gels good ofr outlines, banners and small objects. Each one is accompanied by its reflection only version that you can put on top of an unfiltered copy of the same object.
Colorizable. Modifiable.
TIP : If you want add color to the reflection, do it in the Specular Light Primitive of the Filter.
WARNING : if you want add transparency to the filtered object, group it before with Ctrl+G otherwise its gel appearance will be alterated.