You can do this yourself. It's not nearly as complicated as some folks make it out to be
First to upload your photos. When you bring up the wiki, go down about 1/3 of the way to an area marked 'TOOLBOX'. You'll see a link there for uploading your photos. It's pretty self explanatory - just be sure to record the file names. You'll need them for the next step
Now click on your ID in the 'PERSONAL TOOLS' area. You're assigned a small work area (every ID has one). Here's where you can code and not disturb anything that's active.
Now to put the text together, and the command used for bringing the photos into your article, you can use the following article as a model....
BC796D Discriminator Mod - The RadioReference Wiki
Edit this, then copy (don't cut) this article into your workspace and make the changes you need. When you're ready to 'publish' let me know and we'll go through the next step
HTH...Mike