Graphics, Figures & Tables ⇒ problems of floating figure in a paragraph

[delf]

Hello everybody !

I want to define many paragraph's title and just after a tabular or a figure. Here my code to do that :
\paragraph{blabla}
\begin{figure}[H]
\begin{center}
\includegraphics*[width=0.8\linewidth]{picture.png}
\end{center}
\vspace{-0.7cm} \caption{zouzou}
\end{figure}

\paragraph{blabla2}

But the big deal is the figure is floating eventhough i forced their place. The figure appears in the paragraph blabla2.

Someone have an idea to solve this ?
Thank you very much for your help
Have a nice day

[localghost]

Very important notes.