php and lck files in picts directory

Dear all, as suggested I've created a new folder in which I've placed my picts but automatically, php Photo Album generates files with above mentioned extensions. The problem is that the files are shown on the album page as picts and it' s really annoying because this situation destroy the visibility of the page.
Is there a possibility to avoid this kind of problem? Or to avoid the fact that I've to delete manually the highlighted files?
thank you very much for your help


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