slimeball

Hi Friends I am running a macro program which snipes my desktop at regular period and i want to name the files 1.jpg 2.jpg and so on I currently dont know which option to be added in macro so as to fix the file name and save it and run the macro automatically. the process i have taken so far is that the save dialog box appear and input file name and press enter and start macro using hot key is there any way to fix my problem thanks in advance