I’ve posted the whole instructions in the comment above. It has the link to the post where you need to be. I edited your post here and added the tag. You need to go to the post:
Join the #CraftingLove Valentine’s Challenge! Win up to $100 Gift Card!
Edit your reply where you just posted the IdeaStudio link using the pencil icon, and create the post to look like this: 
Here’s my crafting-love week 2 entry 1
Theme: Love in Making
IdeaStudio Link: ADD YOUR LINK
Story: write what inspired you or who your craft was made for.
Upload 1-3 photos of your project using the upload button in the reply box.
Wherever you see orange text, it’s a link you can click on and it will take you to where you need to be.
You can copy and paste the format from here and enter it into your reply on the crafting love post. Just fill it in with your link and story.