Navigate your browser to the following free image hosting website:

Step 1:
Click on the Computer button:

Step 2:
Browse your computer and choose the image you want to upload:

Step 3:
Click "Start Upload".

Step 4:
Wait for Uploading Images to complete:

Step 5:
Upload Complete, Copy Linked BBCode (message boards):
- Right click the code and choose Copy.

Step 6:
Now that you have copied the link, you can paste it directly into your thread.