just click the REPLY TO TOPIC ,,,,,,,,,,,just below the writing space u have a button by the name of ATTACH FILES,,,,,,,,,,,
click on it ,,,,,,browse the pic u want to upload,,,,,,,if the pic size is too large,,,,,,,make it small using paint,,,,,,,,,otherwise simply browse it and click upload,,,,,,,,,the pic upload message will appear in the writing space,,,,,,,,,,which shows that ur pic has been uploaded,,,,,,,,,,,,,,,,and then click SUBMIT.