I resize my pics using the Microsoft Power Toy Image Resizer
http://www.microsoft.com/windowsxp/downloads/powertoys/xppowertoys.mspx
I do an advanced resize to 500 x 450 ...then you post the 'custom' pic
Do you have the digital pic on your PC? Browse and find the folder they are stored in. You can also grab them from a CD
Don't use the 'Quick Reply' box yopu can't attach thing on this
...click 'Post Reply under the post you want to reply to...or in your case starting your rides thread the post box you are typing in...
Right down d bottom above the 'Post Reply' button...you'll see a box 4 attachments....click on browse then go to the folder where the 'custom' pic is click on it and post your reply....