Well when you see a photo, you have to first put it onto the desk top screen by right clicking on it, the words save picture will appear, move the down arrow to desk top and then hit the save button.
Once the photo is on your desktop you click on the picture to open it up, then you will see above the picture the words File, Edit, Image, Options, Views and Help. Click on the word Image.
A drop down window will appear, click the word resize and alter the New Size width then click on OK.
You then go to the word file above the picture and when the drop down arrow appears click on the word save
and it will save it to your desktop in that new size.
Then it is ready to be hosted for free onto www.photobucket.com
to make it visable to everyone here on the forum.