How would I go about piping some shamrocks? Would I connect 3 little hearts? What tip would I use?

That sounds good. Just try tip #3 for starters and if you wanted a thicker edge try tip #4 .

Kathy

Sheila F made some with tip 104. It won't let me upload the bmp file.
Here's Angelwendys
http://www.cakecentral.com/cake-photo-2089.html
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and alien_Sunsets
http://www.cakecentral.com/cake-photo-28896.html

If you look under Wilton's "decorating techniques", pull up "primrose" (Wilton's book 2/course 2).
It uses the 104 tip and I bet it would look good as a shamrock

I use the 104 too. Here's a pic of mine.

Do you remember the flowers that were completed in Course III? You could use the tip that was used for the yellow flower (primrose?) and just make three in green; just use a 2 or 3 for the stem. Hope that helps.

Thanks so much for the great ideas! I was thinking along those lines from doing the pansy in Class 2.