Please include a link to the DD script in question in your post. See this thread
for the proper posting format when asking a question.
Sounds as though you haven't specified the dimensions for your implementation, though it might be something else:
Highlighted are width and height, respectively in each slide show call.
//new fadeshow(IMAGES_ARRAY_NAME, slideshow_width, slideshow_height, borderwidth, delay, pause (0=no, 1=yes), optionalRandomOrder)
225, 0, 3000, 1, "R")
225, 0, 3000, 0)
If you want more help:
Please post a link to the page on your site that contains the problematic code so we can check it out.