The ideal way to handle this if RW were to create the functionality w/in the RW application is to have a button that when you click on it, it give a list of random generators that you have created. When you select one, the results would be displayed in a dialog box with an option to copy them to your clipboard or to paste the results into the topic that is in focus where your cursor is located.
For now, there are a few ways to integrate randomizers into your workflow. I've used all of them but am increasingly staying old school. I'll start with that.
1. OLD SCHOOL
For very simple random tables or tables that will only be used once for a specific scene, just use a formatted table or unformatted list and roll a dice.
2. OLD SCHOOL PRE-ROLLED
Save space in your topics by pre-rolling your random encounters, treasure, etc. and just put what they are in the topic. If you are selling an adventure to others in the content market, you may very well need to provide the formatted table. But if you are just preparing for your own session using your own content. Roll ahead of time. Save space in your topic and time at the table.
3. Link to a Web-based Randomizer
There are so many on-line name and encounter generators. You can just past in a URL into a text snippet and click on it in game to pull up the generator in your Web browser. I do this a lot because I'm lazy. But there are disadvantages to this approach: (1) only works if you have an internet connection, (2) you need to open another application, (3) if you want to save the results in RW or wherever you are keeping session notes, you need to copy and paste.
4. Add a "Documents and Media—>HTML Page (Complete)" snippet to include an HTML form with scripting for your generator. This way need not leave RW to generate the random whatever. You do still need to open it over the current tab or in a new tab in RW. And you still need to cut and paste to record the results for future reference. There is a great discussion on how to do this here:
http://forums.wolflair.com/showthread.php?t=50225
Personally the reward isn't worth the time for me, though it is fun to play around with. What may change my mind, however, is the upcoming Web version of RW. IF the HTML (complete) snippets with randomizer scripts carry over to AND WORK IN the Web version of RW, that would be awesome and I would consider this approach. It would allow me to create my own randomizers and have them available from any computer with an internet connection.
5. Add a Foreign Object snippet and link to an Inspiration Pad file (or file for a similar product). If you already use something like inspiration pad and have invested time into creating random encounter and name generators using it, then this is a great option. But you have to be using RW on a computer that has the other software installed. You also have to manage multiple applications and copy/paste results if you need to keep them.
6. Phrase Express or a similar universal-macro program
Phrase Express makes it easy to randomize large lists and to combine multiple randomizers to create names, encounters, treasure, etc. Also, it will put the results wherever your cursor is, or you can have it put the results into your clipboard. For large, custom, frequently used lists, this is my preferred method. No need to leave RW or even the active tab and I can save the results in RW easily. Active Words is a similar program that I've used and recommend. There are some free, open source alternatives as well, though I don't have much experience using them.
