easy

1-www.photobucket.com
2-create account
3-upload pictures
4-select pictures you want to upload, multi pic hold ctrl key down and 5-select each pic
6-click upload
7-once uploaded click save and continue
8-go to album where pictures are
9-scroll over the pic and a drop down box comes up
10-click on the last code which has img at the beginiing, it will say copied
11-go to box on forum for reply and right click mouse and select paste

if you want to keep adding pictures just repeat steps 8-11 then click on post and pictures will appear on your reply