Which version of the script are you using? The array of images differs between the two versions. Also, the original (DD version) requires two entries for each image (image, link) and the extended version requires three (image, link, target).
The array in your post has only one (image). Whatever version you use, you must follow the template for its image array. If there is no link or target, those entries must still be there as empty quoted values, ex:
If you want more help:
Please post a link to a page on your site that contains the problematic code so we can check it out.