I thought it might help to list all the different techniques I’ve tried and tips I’ve discovered.  Just click the card to be taken to the details page.

Bokeh technique.
Bokeh technique
Masking
Masking
Ink Resist Using Embossing Powder

Ink Resist Using Embossing Powder

Old Is New Card using CTMH products
Masking to stamp in more than one color

 

Using the blending marker
Using the blending marker
Tissue paper and transparencies
Tissue paper and transparencies
Using the back side of stamps
Using the back side of stamps
Sponging the edges of your cards - Or using ink to create your own colored cardstock
Sponging the edges of your cards – Or using ink to create your own colored card stock
Stamp Resist Technique
Stamp Resist Technique
One Sheet Wonder

One Sheet Wonder