Showcase:Options:Forum Home:Slider Options - (paid) add random, only certain categories & prefixes


Looking to modify (paid) the Slider Options in Showcase so that this Forum Home Items Slider Options will only display :

Random Images from Showcase items
Only Showcase items from chosen categories
Only Showcase items containing chosen prefixes

(please do not direct me to Liam thread, since he is no longer doing this and the links to his website are no longer valid)