Welcome to the forum! Sounds like you are diving right into both fly fishing and tying, congrats! Looking forward to reading about your fly fishing adventures.
When you get around to the point where you want to post a photo in a thread, just realize that the forum doesn't allow you to upload a photo from your computer directly into a thread. There are a couple different methods, probably the easiest is to first upload your photos into a third party site like PhotoBucket then link your photo from there into a thread on this forum, you use the little yellow rectangular icon that looks like a mtn located just above the area you type in posts and replies. The other method is to create a photo album or gallery on this site, upload your photos to the album or gallery and then link to your post using the little yellow icon.
Here is a post that Ard did up awhile back that explains the details:
A Few Tips For Posting Pictures To The Forums;