Have you heard of the Word Bird books? They help new readers expand their vocabularies. In the back of the book is a list of all the words with a helpful reminder picture. You can copy that page, then cut it up into strips for mini-flash cards.
Here's what we do: I make a stack of word slips, then Violet reads them. If she gets the word/s right, she can put the slip of paper in her Word House. For some odd reason, she really enjoys doing that. Whatever works, right?