Ohh boy, this was all I could find on piping tulips. HTH some, Jen
http://www.wilton.com/recipes/recipesandprojects/easter/eggssunnysideup.cfm
http://www.sweettechnology.com/cakes/cake257.htm
I would trace them on the cake, outline with a #2 tip and either fill in with buttercream and smooth with an artists paintbrush dipped in hot water. Or outline them with royal and flood them with thinned royal directly on the cake or on parchment paper, let dry completely and then set them on the cake, you can pipe a little round of buttercream to prop them up at angles.
If you want to pipe tulips it's actually very easy: Use any shell tip and pipe an upside down shell (pointy part up), with a curved shell on each side (fat sides down on each petal.) There's a picture of this in the Wilton Way of Cake Decorating Encyclopedia #3 ("the uses of tubes") on page 210. They also pipe daylilies, geraniums, bearded iris and other flowers using this same method. Hope that helps some! 
I'm very interested in piping tulips - I saw some at a bakery in CT that were amazing! I'll see if I can find the link.
ETA: Here's the link:
http://www.jacquespastries.com/alloccasion59tm.htm
It's from Jacques Pastries, but it's in NH, not CT.
Also, if you can't find a leaf tip as small as you want, you can cut a small v in your parchment bag to make your own.
Christy
If you want to pipe tulips it's actually very easy: Use any shell tip and pipe an upside down shell (pointy part up), with a curved shell on each side (fat sides down on each petal.) There's a picture of this in the Wilton Way of Cake Decorating Encyclopedia #3 ("the uses of tubes") on page 210. They also pipe daylilies, geraniums, bearded iris and other flowers using this same method. Hope that helps some!
Where would I find these books? I would love to have that info!
If you want to pipe tulips it's actually very easy: Use any shell tip and pipe an upside down shell (pointy part up), with a curved shell on each side (fat sides down on each petal.) There's a picture of this in the Wilton Way of Cake Decorating Encyclopedia #3 ("the uses of tubes") on page 210. They also pipe daylilies, geraniums, bearded iris and other flowers using this same method. Hope that helps some!
Where would I find these books? I would love to have that info!
Mostly Ebay, that's where I found mine (for a MINT I might add!!) Here's a link to another thread where someone else was wondering about them and I went ahead and did a brief writeup on all three books (it was lengthy so I don't want to repost it here.) It's on page 2 of this thread: http://forum.cakecentral.com/modules.php?name=Forums&file=viewtopic&t=178151&postdays=0&postorder=asc&&start=15
If you want to pipe tulips it's actually very easy: Use any shell tip and pipe an upside down shell (pointy part up), with a curved shell on each side (fat sides down on each petal.) There's a picture of this in the Wilton Way of Cake Decorating Encyclopedia #3 ("the uses of tubes") on page 210. They also pipe daylilies, geraniums, bearded iris and other flowers using this same method. Hope that helps some!
Where would I find these books? I would love to have that info!
Mostly Ebay, that's where I found mine (for a MINT I might add!!) Here's a link to another thread where someone else was wondering about them and I went ahead and did a brief writeup on all three books (it was lengthy so I don't want to repost it here.) It's on page 2 of this thread: http://forum.cakecentral.com/modules.php?name=Forums&file=viewtopic&t=178151&postdays=0&postorder=asc&&start=15
Wow! Those sound great! Now I'm on a mission.... 
There's another cake book which is also out of print called "the Cupcake Cafe Cookbook" and it's by Ann Warren of the cupcake cafe in NYC. Check out her website, she does some AMAZING work!! Anyway, she has another way of piping tulips outlined in her book, but it's quite lengthy actually so I'm not going to post it here (unless the masses demand it...
) Hope that helps some! 
I'm very interested in piping tulips - I saw some at a bakery in CT that were amazing! I'll see if I can find the link.
ETA: Here's the link:
http://www.jacquespastries.com/alloccasion59tm.htm
It's from Jacques Pastries, but it's in NH, not CT.
Also, if you can't find a leaf tip as small as you want, you can cut a small v in your parchment bag to make your own.
Christy
Ohhhh ... that tulip cake is GORGEOUS!!! I would love to know how they made those tulips!!! I am in awe!!!!!
Well, I just sent an email to Jacques Pastries to ask if they'd be willing to share their technique for the tulips. I'm SO hoping they will! If they do, I'll be sure to post it here! To be continued .... 
I emailed Jacques Pastries once just to tell them how much I loved so many of their cakes and someone wrote back within 24 hours. They are very kind, so hopefully they'll write back!
Christy
You are all so fabulous. Great ideas! I'm going to try wonderbuns technique.... If I can't do that...I will try Shirley's suggestion. Would love to know about the Jacques cake too! Thanks for info re leaf tip too. I guess you could make a tulip using leaf tip too.... layering them sort of....
Thank you all for your replies...
I am really hoping you hear from Jaques pasteries soon on the tulips they are beautiful I have a wedding comming up and the bride wants tulips.
Guys ... I'm so sorry! I did hear back from Jacques, but I forgot to post here!! 
The response was a little brief, but here it is: "We use a curved rose tip to make the tulips and over lap the petals. Hope this helps."
I know what tip this is. I don't know the number, but I know that I have it.
So anyway, I hope this helps, and I'm sorry again for not responding sooner!!!
Guys ... I'm so sorry! I did hear back from Jacques, but I forgot to post here!!
The response was a little brief, but here it is: "We use a curved rose tip to make the tulips and over lap the petals. Hope this helps."I know what tip this is. I don't know the number, but I know that I have it.
So anyway, I hope this helps, and I'm sorry again for not responding sooner!!!
Is it the #97 tip? Looks like an S?
cakesbyjess wrote:
Guys ... I'm so sorry! I did hear back from Jacques, but I forgot to post here!! The response was a little brief, but here it is: "We use a curved rose tip to make the tulips and over lap the petals. Hope this helps."
I know what tip this is. I don't know the number, but I know that I have it.
So anyway, I hope this helps, and I'm sorry again for not responding sooner!!!
Thanks for the post it helps !!!
Guys ... I'm so sorry! I did hear back from Jacques, but I forgot to post here!!
The response was a little brief, but here it is: "We use a curved rose tip to make the tulips and over lap the petals. Hope this helps."I know what tip this is. I don't know the number, but I know that I have it.
So anyway, I hope this helps, and I'm sorry again for not responding sooner!!!
Is it the #97 tip? Looks like an S?
I'm not sure if that's the one. I'm out of town right now, so I can't check my tips. I just searched online, and I'm thinking it might be #121 or 123.
Jopalis, that Easter basket cake is too cute and I think the tulips look great! Glad that worked for ya, I may have to try that now...especially since the snow is 'finally' starting to melt here in Western NY!!!
You know, for some reason Jacque took those pix off his site. Anyone know why?
It's too bad that this cake was removed 
I wonder why.
I was very interested in piping tulips, and this is my the result using a tip 101; I have since done another cake using a tip 104, and as you'd expect the tulips are larger...I was pretty pleased with the look.
http://www.cakecentral.com/cake-photo_1276010.html
Wow I can't believe I found a copy of Jacques tulip cake. Here it is:
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