You can do like this too ...
Press Print Screen on your keyboard .. and you have 2 choices
1.Upload picture at
http://imageshack.us/ (Press Browse); go to: C:\Program Files\Silkroad (or wherever you installed Silkroad). Open Screenshots folder and choose your picture... Press upload at Imageshack ... You will get few links ... copy the last link ( Direct link to image ) and copy it to your post beetween [img]<InsertYourLink>[/img]
2. Open paint ... press Ctrl+V ... go to Save As (and save it wherever you want)...
You can do this with Imageshack again , or you can use "Upload attachment" here on SRF ...
(You can upload only 3 images at SRF at once).