im sure you will get it sorted here is how i did it and i explained this to someone else and they got it sorted,
1, go to the first page of your journal,
2, at the top of the page it will say h t t p : / / w w w. 4 2 0 m etc etc, where it tells you the info right at the very top below the tabs you have open, so highlight the section starting with h t t p, and right click with mouse and choose copy,
3, now click on user cp,
4, scroll down the left hand side till it says edit signature, click on this its under the heading my settings.
5, now this will take you to a page with a box where you can right, so in this box right something like here is my journal, then press enter so your on the next line down, this is not needed but i do it so it makes it easier to explain.
6. so now in this box you have the writing saying this is your journal and your on the next line below that,
7, now the box you just wrote in has some symbols right above it, you need to find the one that looks like a world with a chain in front of it, just one link of a chain, its the symbol to the left of the picture of an envelope,
8, click on this world link and it will bring up a box, now click on the part where you write in the box and make sure their is no writing in the box such as h t t p, as sometimes this can all ready be their, if it is delete it,
9, now this small box is empty all you need to do is click on it and make sure the cursor is flashing as if your about to write something, now right click on this space with the mouse and choose paste, then click ok or what ever it has on this box to confirm you want to enter that,
10, once you click ok it will take you back to the box where you wrote here is my journal, but now it will have something else under where you have written here is my journal, it will show you what teSmp has wrote so just under where you wrote here is my journal it will have a load of writing that is the link to your journal, so now you dont need to do anything, its done, all you need to now do is click on save signature, than it should be done.
you can also click on preview signature first and then you should see that it shows the writing here is my journal and then under that it will have a link and not all the writing that starts with http, dont click on the link, then now you know the link is their all you got to do is click on save signature and this will then save it,
now every post you make will have your journal at the bottom of every post where your signature is, you can also add things to your signature like other journals or links to help pages or the contest, the list is endless,