I'm having a similar problem. Although all my posters are listed in the "New Arrivals" section, they won't appear when an individual search is typed in. Also only two of the 5 posters that have been approved show under my name. What to do??
That is why you MUST MUST MUST enter the band names when submitting the posters! If you've done that and still don't see the poster when you search for the band, send an email. I know its a pain when there's lots of bands on the poster... also, you've gotta spell everything correctly etc.