It is easy task even 30$ normall price for it. I can decrease price if you need it. I am not transfer strategies from one person to another one, even without agreement. Of couse I neve share strategies in internet.
Better to use arrows, not lines, becouse indicator with arrows works faster, Sell signal - arrow Down, Buy signal arrow Up. I can't decompile ex4 files, but somtimes I use decompiled files, to make complex codes.