Urban Giraffe Support

Currently i am using "/%category%/%postname%/" structure in permalinks option.

Now, i want to change structure to "/%category%/%postname%-%post_id%.html"

so, i downloaded your plugins and installed but when i give about structure in permalinks and old structure in migration page then its not working properly.

Suppose. above case is not working then please tell me how can i have "/%category%/%postname%-%post_id%.html" sturcture for all future posts. Let old posts be in old structure.

Please help me.

Please help me how can i do this?